Goo (The Black Blob) is a massive living sludge that inhabits the sewers of the dungeon. It has grown to large proportions by consuming waste and detritus in the sewers, and has become highly dangerous. It's the boss of the Sewers area.

• HP: 68
• Attack Skill: 11 (when not pumped up), 26 (when pumped up)
• Defense Skill: 12
• Damage: 4-11 (when not pumped up), 7-21 (when pumped up)
• Exp for Kill: 9
• Defense Rate (DR): 2

• Pump-Up Mechanic: Can “pump up” before attacking, increasing damage (7-21) and attack skill (26), and gaining 2-tile range
• Acid Attacks: Uses acid-based attacks that cause Ooze status effect (33% chance on hit)
• Regeneration: Heals 1 HP when standing in water while below full health
• Screen Shake: Causes screen shake when attacking in pumped up state

• Pumping: Goo can pump itself up which increases damage (4-11 → 7-21), attack skill (11 → 26), and range (melee → 2 tiles)
• Water Interaction: Goo regenerates 1 HP when standing in water while below full health
• Ooze Effect: Goo's attacks have a 33% chance to inflict Ooze, causing continuous damage until washed off

• Skeleton Key for the Demon Halls
• High chance (80%) to drop a random Potion
• Access to the next dungeon area (Prison)
• Valuable treasure and experience

• Found in the Sewers area (level 1)
• Appears in a boss arena specially designed with water features

• Stay out of water tiles where Goo can heal
• Use ranged attacks to maintain distance
• Dodge the pumping attack by moving along the edges
• Attack during safe windows after the pumping attack
• Don't let the fight go on too long as Goo becomes more aggressive when pumped up
• Avoid getting hit by Goo when it's pumped up as it does more damage and has increased range
• Clean off Ooze status effect when inflicted to prevent continuous damage

• Information source: Goo.java
• Stats verification: Extracted directly from Goo.java constructor and implementation
• Effect descriptions: Based on code analysis and string resources
• Last updated: December 14, 2025

• Boss Enemies
• Sewers Level
• Ooze Status Effect
• Enemies