Boss builder

Body and melee Wide swing Arc Dodge 2D · 3D A broad melee arc denies the space beside and in front of the boss. Explore the mechanic

Body and melee Lunge Line Dodge 2D · 3D The boss commits its body along a short line to close distance. Explore the mechanic

Body and melee Ground slam Radial Dodge 2D · 3D The boss strikes the floor and sends a readable shockwave outward from the impact point. Explore the mechanic

Body and melee Landing jump Radial Dodge 2D · 3D The boss leaps to a committed destination and turns the landing radius into a short radial threat. Explore the mechanic

Body and melee Charge Line Dodge 2D · 3D The boss aims, locks its direction, and charges forward. It cannot turn after the lock. Explore the mechanic

Body and melee Grab Target Dodge 2D · 3D A grab replaces ordinary damage with capture. Explore the mechanic

Body and melee Arc sweep Arc Dodge 2D · 3D The boss anchors one end of an attack and sweeps a dangerous arc across the arena. Explore the mechanic

Body and melee Burrow and emerge Zone Dodge 2D · 3D The boss leaves direct interaction. Explore the mechanic

Projectiles Single shot Line Dodge 2D · 3D The boss releases one discrete projectile along a locked line. Explore the mechanic

Projectiles Projectile fan Arc Dodge 2D · 3D The boss releases several projectiles from one origin along committed rays, leaving gaps whose width changes with distance. Explore the mechanic

Projectiles Ring volley Radial Dodge 2D · 3D Projectiles expand from the boss in every direction. Explore the mechanic

Projectiles Spiral barrage Radial Dodge 2D · 3D A rotating emitter releases a stream that traces a spiral. Explore the mechanic

Projectiles Gap volley Line Dodge 2D · 3D The boss fires a broad volley with one readable opening that the player can reach in time. Explore the mechanic

Projectiles Crossfire Line Dodge 2D · 3D Two independent sources fire through the arena so their projectile paths intersect. Explore the mechanic

Projectiles Ricochet projectile Line Dodge 2D · 3D A projectile changes direction after contacting arena boundaries. Explore the mechanic

Projectiles Splitting projectile Line Dodge 2D · 3D One projectile reaches a readable trigger, disappears, and releases several committed fragments. Explore the mechanic

Projectiles Returning projectile Line Dodge 2D · 3D A projectile travels away from its owner, turns at a readable point, and creates a second dangerous pass on the way back. Explore the mechanic

Projectiles Orbiting projectiles Radial Dodge 2D · 3D Projectiles remain attached to one center and rotate as a spaced moving perimeter. Explore the mechanic

Beams Straight beam Line Dodge 2D · 3D The boss projects a sustained line of danger that controls a corridor and separates warning. Explore the mechanic

Beams Scanning beam Line Dodge 2D · 3D A sustained beam sweeps across space from one side to another. Explore the mechanic

Beams Rotating beams Radial Dodge 2D · 3D Two or more beam arms rotate around a source. Explore the mechanic

Beams Pulse beam Line Dodge 2D · 3D A fixed beam lane switches between dangerous pulses and safe pauses on a readable cadence. Explore the mechanic

Zones and traps Marked-area strike Zone Reposition 2D · 3D The boss marks a region first and damages it after a delay. Explore the mechanic

Zones and traps Chain explosions Zone Reposition 2D · 3D A pre-announced row of blast zones detonates in order, turning each cleared zone into the next safe foothold. Explore the mechanic

Zones and traps Shockwave Radial Reposition 2D · 3D An impact creates a threat that travels across a surface. Explore the mechanic

Zones and traps Lingering hazard Zone Reposition 2D · 3D An attack leaves danger active after the initial hit. Explore the mechanic

Zones and traps Mine Zone Reposition 2D · 3D The boss places an object that becomes dangerous only after arming and keeps one fixed trigger radius until it disarms. Explore the mechanic

Zones and traps Hazard trail Line Reposition 2D · 3D Movement leaves a temporary dangerous path behind the boss or player. Explore the mechanic

Arena Moving hazard Arena Reposition 2D · 3D A persistent dangerous area travels through the arena, making the player plan against its future footprint rather than its starting position. Explore the mechanic

Arena Converging threats Arena Reposition 2D · 3D Separate threats approach one another, narrowing a previously safe region and asking the player to leave it before the overlap. Explore the mechanic

Arena Platform destruction Arena Reposition 2D · 3D The boss removes or disables pieces of traversable space. Explore the mechanic

Arena Shrinking safe area Arena Reposition 2D · 3D Danger advances inward or outward to reduce usable space. Explore the mechanic

Arena Pull Radial Reposition 2D · 3D An announced inward force changes the player's movement and can draw their body into a dangerous center. Explore the mechanic

Arena Knockback Line Reposition 2D · 3D A hit displaces the player. Explore the mechanic

Additional targets Summon Entity Attack 2D · 3D The boss calls a limited group of helpers, changing priorities without flooding the arena. Explore the mechanic

Additional targets Turret deployment Entity Attack 2D · 3D A boss installs a fixed weapon whose firing lane remains dangerous after the deployment animation ends. Explore the mechanic

Additional targets Threat generator Entity Attack 2D · 3D A boss creates a source that repeatedly emits independent threats until its cycle ends or the source is removed. Explore the mechanic

Additional targets Decoy Entity Attack 2D · 3D The boss presents a convincing false target, so the player must identify which body can advance the fight before committing an attack. Explore the mechanic

Targeting and rhythm Target lock Target Reposition 2D · 3D The boss selects a player or position. Explore the mechanic

Targeting and rhythm Predictive aiming Line Dodge 2D · 3D The boss samples the player's movement and aims at an estimated future position, creating a readable invitation to change course. Explore the mechanic

Targeting and rhythm Source tracking Target Dodge 2D · 3D A visible firing source follows the player's current position during the tell, then commits to a fixed lane. Explore the mechanic

Targeting and rhythm Homing projectile Target Dodge 2D · 3D A projectile adjusts its heading toward the player after launch. Explore the mechanic

Targeting and rhythm Burst fire Target Dodge 2D · 3D A short burst repeats a projectile threat at a readable cadence instead of releasing every shot at once. Explore the mechanic

Targeting and rhythm Volley Target Dodge 2D · 3D The boss marks three parallel lanes, commits them, and launches three projectiles together; the player leaves the formation at its edge. Explore the mechanic

Targeting and rhythm Attack combination Arena Manage 2D · 3D Two or more familiar attacks are sequenced so the first response changes the starting conditions for the next. Explore the mechanic

Targeting and rhythm Delayed activation Target Dodge 2D · 3D The boss plants a harmless rune under the player, fixes its place, then activates it after a visible countdown; the player walks fully outside the circle. Explore the mechanic

Targeting and rhythm Speed change Target Dodge 2D · 3D The boss marks one straight crossing, travels its first segment slowly, then visibly accelerates on the same line while the player walks outside the lane. Explore the mechanic

Targeting and rhythm Limited spread Target Dodge 2D · 3D The boss announces a narrow cone, then sends three separately aimed projectiles through different angles within its fixed edges. Explore the mechanic

Defense Directional shield Arc Reposition 2D · 3D A raised shield blocks attacks from a fixed front sector, but an ordinary move around its edge leaves the boss exposed. Explore the mechanic

Defense Damage-type resistance Target Attack 2D · 3D The same boss body takes less damage from a slash than a thrust; both attacks still connect. Explore the mechanic

Defense Situational immunity Target Attack 2D · 3D A linked ward prevents damage to the boss until the player disables it. Explore the mechanic

Defense Weak point Target Attack 2D · 3D Damage is concentrated on a specific body part. Explore the mechanic

Defense Part break Target Attack 2D · 3D A targeted boss component is destroyed, visibly disabling its associated attack. Explore the mechanic

Defense Attack reflection Line Counter 2D · 3D A guarded boss reverses an incoming attack, making its return path dangerous to the player. Explore the mechanic

Defense Counter stance Target Manage 2D · 3D A visible guard converts a qualifying player strike into the boss's own counterattack. Explore the mechanic

Defense Absorption power-up Target Attack 2D · 3D A marked input is absorbed instead of damaging the boss and fills a resource for a stronger next move. Explore the mechanic

Defense Interruptible wind-up Target Interrupt 2D · 3D A marked wind-up can be cancelled by a qualifying player action before its deadline. Explore the mechanic

Defense Loadout adaptation Target Attack 2D · 3D The boss snapshots a defined part of the player's loadout and selects a visible, bounded response package. Explore the mechanic

Structure and readability Telegraph Target Manage 2D · 3D A telegraph communicates an upcoming attack’s timing. Explore the mechanic

Structure and readability Wind-up Target Interrupt 2D · 3D A wind-up is a readable pre-action state that gives the player time to identify and answer a pending attack. Explore the mechanic

Structure and readability Attack lock Target Dodge 2D · 3D Attack lock freezes selected attack parameters before release so the player's response remains valid. Explore the mechanic

Structure and readability Active phase Target Manage 2D · 3D The active phase is the bounded interval in which an attack's collision can produce its gameplay effect. Explore the mechanic

Structure and readability Recovery Target Attack 2D · 3D Recovery is the post-action interval before the boss may choose or start another action. Explore the mechanic

Structure and readability Fight phase Arena Manage 2D · 3D A health. Explore the mechanic

Structure and readability Enrage Arena Attack 2D · 3D The boss enters a more demanding state after a threshold or time limit. Explore the mechanic

Structure and readability Survival phase Arena Dodge 2D · 3D A survival phase advances when players endure a bounded sequence, timer, or objective rather than reducing boss health. Explore the mechanic

Space, movement, and perception Teleport Target Reposition 2D · 3D A teleport removes the boss from one position and restores it at another without dangerous travel between the two points. Explore the mechanic

Space, movement, and perception Boundary attack Arena Reposition 2D · 3D A boundary attack begins outside the ordinary playable space and enters through a wall, doorway, arena edge, or camera edge. Explore the mechanic

Space, movement, and perception Forced scrolling Arena Reposition 2D · 3D Forced scrolling moves the camera or playable route independently of the player, so maintaining progress becomes a required part of the encounter. Explore the mechanic

Space, movement, and perception Chase herding Entity Reposition 2D · 3D Chase herding makes the moving boss a spatial objective: the player closes distance, preserves contact, and approaches from useful angles until the boss reaches a designed destination. Explore the mechanic

Space, movement, and perception Escape phase Entity Reposition 2D · 3D An escape phase gives the boss a destination and consequence outside ordinary combat. The player must interrupt, pursue, or accept the clearly stated result. Explore the mechanic

Space, movement, and perception Nested / relocated arena Arena Reposition 2D · 3D A relocated arena transfers the active boss fight into another playable space without ending or silently rebuilding the encounter. Explore the mechanic

Space, movement, and perception Control mode shift Arena Reposition 2D · 3D A control mode shift replaces the player's current movement or response grammar with another one during the same encounter. Explore the mechanic

Space, movement, and perception Boss as terrain Entity Reposition 2D · 3D The player traverses the boss's body, and access to the damage point depends on a readable route and reliable holding rules. Explore the mechanic

Space, movement, and perception Cover and line of sight Line Reposition 2D · 3D A physical object creates safety by blocking the line between a directional threat and the player. Explore the mechanic

Space, movement, and perception Forced inertia Line Reposition 2D · 3D A surface or effect carries the player past ordinary input release and turns stopping distance into the central positioning rule. Explore the mechanic

Space, movement, and perception Wraparound projectile Line Reposition 2D · 3D A projectile exits one linked boundary and re-enters from another while preserving its direction, speed, and remaining lifetime. Explore the mechanic

Space, movement, and perception Beat-synced attack Arena Reposition 2D · 3D An attack lands on a known position in an audible, visible rhythm whose clock persists across the boss's actions. Explore the mechanic

Space, movement, and perception Invisibility Target Reposition 2D · 3D The boss hides its primary body signal while bounded environmental, audio, or particle traces preserve position and attack intent. Explore the mechanic

Space, movement, and perception Sound detection Arena Manage 2D · 3D The boss learns a location from audible events instead of reading the player's live position, making noise output part of movement and attack choices. Explore the mechanic

Encounter goals and vulnerability Objective-linked invulnerability Entity Interact 2D · 3D The boss ignores normal damage until a finite set of visible protection objectives is complete, then opens for a timed damage window. Explore the mechanic

Encounter goals and vulnerability Wave-clear objective Entity Attack 2D · 3D The encounter advances when the player clears a fixed sequence of finite enemy waves rather than depleting conventional boss health. Explore the mechanic

Encounter goals and vulnerability Environmental weapon Entity Interact 2D · 3D A fixed arena device must be reached and prepared; its resolved shot, not ordinary weapon damage, advances the encounter. Explore the mechanic

Encounter goals and vulnerability Encounter-specific tool Entity Interact 2D · 3D The encounter grants or activates a portable tool whose rule-specific action is unusually effective against this boss. Explore the mechanic

Encounter goals and vulnerability Player-controlled boss Entity Dodge 2D · 3D The system assigns a real player as the boss opponent and substitutes AI when no candidate is available. Explore the mechanic

Encounter goals and vulnerability Projectile rally Line Counter 2D · 3D Boss and player repeatedly return the same projectile until a missed response resolves the rally. Explore the mechanic

Encounter goals and vulnerability Baited self-hit Line Reposition 2D · 3D The player places or exposes a valid hazard, baits a committed boss action through it, and turns the boss's own resolution into damage or stagger. Explore the mechanic

Encounter goals and vulnerability Posture stagger gauge Target Attack 2D · 3D Authored attacks and counters pressure a separate posture gauge; a break opens a bounded critical state that only an explicit finisher can consume. Explore the mechanic

Encounter goals and vulnerability Pacifist resolution Line Dodge 2D · 3D The encounter can end without emptying boss health when the player satisfies a visible nonviolent condition and commits to a separate spare action. Explore the mechanic

Encounter goals and vulnerability Persistent encounter progress Target Attack 2D · 3D Completed encounter objectives survive player defeat, so a new attempt resumes from an explicit authored milestone instead of rebuilding the whole fight. Explore the mechanic

States, resources, and scaling Status buildup Radial Reposition 2D · 3D Boss attacks fill a separate status gauge; the actual effect begins only when accumulated exposure reaches its threshold. Explore the mechanic

States, resources, and scaling Instant-kill condition Zone Reposition 2D · 3D A clearly signaled condition bypasses ordinary damage and ends the current attempt through one authoritative result. Explore the mechanic

States, resources, and scaling Maximum-health reduction Line Dodge 2D · 3D A marked hit lowers the health ceiling separately from current health, limiting later recovery until an explicit restoration rule succeeds. Explore the mechanic

States, resources, and scaling Ability or healing lock Radial Dodge 2D · 3D A marked contact temporarily rejects one named action while movement and the rest of the player kit remain available. Explore the mechanic

States, resources, and scaling Resource steal or drop Target Dodge 2D · 3D A qualified boss hit removes a bounded resource and may spill it into pickups that the player can reclaim or the boss can capture. Explore the mechanic

States, resources, and scaling On-hit healing or lifesteal Target Dodge 2D · 3D A qualified boss contact restores a bounded amount of health, even when the hit deals no damage if the encounter declares blocking eligible. Explore the mechanic

States, resources, and scaling Interruptible self-heal Radial Attack 2D · 3D The boss starts a visible recovery action without player contact; a qualified interruption cancels it, while a completed cast applies one capped heal. Explore the mechanic

States, resources, and scaling Interceptable healing sources Entity Attack 2D · 3D A separate entity or resource sends healing toward the boss, and destroying the source or its packet prevents that bounded delivery. Explore the mechanic

States, resources, and scaling Adaptive damage-rate cap Target Attack 2D · 3D Recent or estimated burst damage lowers the fraction of each new hit that reaches the boss, then the attenuation relaxes when the damage window clears. Explore the mechanic

States, resources, and scaling Loadout mirror Target Manage 2D · 3D At a declared moment, the boss snapshots selected parts of the player’s build and converts them into a stable encounter package. Explore the mechanic

States, resources, and scaling Moveset shapeshifting Arena Reposition 2D · 3D The boss changes between complete borrowed movesets, each with its own signals, attacks, movement rules, and recovery. Explore the mechanic

States, resources, and scaling Ally theft WIP Target Manage 2D · 3D Draft outline for the ally theft mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling False death WIP Target Manage 2D · 3D Draft outline for the false death mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling Action-reactive punish WIP Target Manage 2D · 3D Draft outline for the action-reactive punish mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling Run-history manifestation WIP Target Manage 2D · 3D Draft outline for the run-history manifestation mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling Real-time progression WIP Target Manage 2D · 3D Draft outline for the real-time progression mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling Hardware WIP Target Interact 2D · 3D Draft outline for the hardware mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling World-state encounter variant WIP Target Manage 2D · 3D Draft outline for the world-state encounter variant mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

States, resources, and scaling Party-size scaling WIP Target Manage 2D · 3D Draft outline for the party-size scaling mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Multi-boss relationships Partner revival WIP Entity Attack 2D · 3D Draft outline for the partner revival mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Multi-boss relationships Kill-order inheritance WIP Entity Attack 2D · 3D Draft outline for the kill-order inheritance mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Multi-boss relationships Shared group health WIP Entity Attack 2D · 3D Draft outline for the shared group health mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Multi-boss relationships Coordinated duo attack WIP Entity Attack 2D · 3D Draft outline for the coordinated duo attack mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Stack WIP Target Coordinate 2D · 3D Draft outline for the stack mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Spread WIP Target Coordinate 2D · 3D Draft outline for the spread mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Tower WIP Zone Coordinate 2D · 3D Draft outline for the tower mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Tether WIP Line Coordinate 2D · 3D Draft outline for the tether mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Gaze WIP Arena Coordinate 3D Draft outline for the gaze mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Proximity WIP Radial Coordinate 2D · 3D Draft outline for the proximity mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Tankbuster WIP Target Coordinate 2D · 3D Draft outline for the tankbuster mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Debuff handoff WIP Target Coordinate 2D · 3D Draft outline for the debuff handoff mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Ordered targets WIP Target Coordinate 2D · 3D Draft outline for the ordered targets mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Pairing WIP Target Coordinate 2D · 3D Draft outline for the pairing mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

Cooperative coordination Party split WIP Arena Coordinate 2D · 3D Draft outline for the party split mechanic. Rules, tuning guidance, and examples are still in progress. Explore the mechanic

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