Necrotism is a harmful debuff that causes damage-over-time and spreads to nearby creatures.

Necrotism is a powerful magical plague that deals damage to affected creatures and spreads to adjacent creatures. It is primarily applied through the Necromancer Armor's special ability.

• Duration: Base duration of 3 turns (duration constant from code)
• Spread: Affects creatures in adjacent 16 neighboring cells (Level.NEIGHBOURS16 from code)
• Iteration: Each spread increases the damage potency
• Targeting: Affects all non-player characters (mobs and NPCs)

• Boss targets: 1 damage per 200 HP (minimum 1)
• Non-boss targets: 1 damage per max(3, (21 - iteration)) HP
• Final damage: (calculated damage * iteration), minimum 1

• Each turn, has a 50% chance to spread from an infected creature to each adjacent creature
• Cannot spread to Heroes or NPCs
• Each spread increases the iteration counter, making subsequent damage more potent

• Damage Over Time: Causes increasing damage based on target's HP
• Infectious Spread: May spread from creature to adjacent creatures
• Visual Effect: Purple burst effect (0x6935a5) on affected creatures
• Iteration Counter: Each spread increases damage for subsequent ticks

• Primary Source: Activated via Necromancer Armor special ability
• Auto-termination: Ends when target dies or duration expires

• Shows as purple/black icon in buff bar
• Purple particle burst on affected creature each turn

• Information source: Necrotism.java
• NEIGHBOURS16 reference: Level.java (NEIGHBOURS16 constant)
• Doom interface: Doom.java
• Mechanics verified from code implementation
• Last updated: December 15, 2025

• Necromancer - The class that benefits from necrotism
• Necromancer Armor - Source of necrotism application
• Buffs - List of all status effects

• Doom