Experiment No.2 - The RuneScape Wiki

Experiment No.2 are mutated mice found in the manhole near the Witch's house during and after the Grim Tales quest. This monster has both a melee and ranged attack, although it will only use one style depending on your distance from it.

Witch's experiment - OSRS Wiki

Tales of the God Wars (miniquest) - The RuneScape Wiki

Remy - The RuneScape Wiki

Mourning's End Part II - The RuneScape Wiki

Ancient Awakening - The RuneScape Wiki

Brimhaven Dungeon, Old School RuneScape Wiki

Shades of Mort'ton - The RuneScape Wiki

Titles - The RuneScape Wiki

Rag and Bone Man II - OSRS Wiki

Experiment - The RuneScape Wiki

Rat - The RuneScape Wiki

Grim Tales - The RuneScape Wiki

Rupert the Beard, Old School RuneScape Wiki