Yogs Brain is one of Yog's guardians found in the Goo Depths. It is one of the secondary bosses protecting Yog along with Rotting Fist, Burning Fist, Yogs' Heart, and Yogs' Teeth.

* HP: 350 * HT: 350 * Defense Skill: 30 * Attack Skill: 31 * Damage: 15-25 * DR (Damage Resistance): 12 * EXP for Kill: 25

* Ranged Attack: Can only attack at range using zapping mechanics * Stun Attack: Has a 33% chance (Random.Int(3) == 1) to inflict Stun on hit * Summoning: When damaged, summons a Nightmare mob and calls for help from nearby mobs * Retreat: When in hunting state, moves away from enemies rather than approaching them * Immunities: Immune to Paralysis, Amok, Sleep, Terror, and Burning * Resistances: Resistant to Lightning and Toxic Gas * No Pet: Cannot be turned into a pet

* Uses IZapper interface for ranged attacks * When damaged, attempts to spawn a Nightmare on an adjacent cell * Employs hit-and-run tactics, moving away when in combat

* Standard drops according to treasure category system

* Found in the Goo Depths (last level) as one of Yog's guardians

* Information source: Java class YogsBrain.java * Stats verification: Extracted from YogsBrain.java class fields * Effect descriptions: Based on string resources and in-game mechanics * String resources: YogsBrain_Name, YogsBrain_Desc * Machine-readable data: mr:yogs_brain_mob * Last updated: December 21, 2025