Experiment No.2 is 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.
Item Quantity Rarity GE market price Grimy tarromin 1–3 Common 132–396 Grimy marrentill 1 Uncommon 13 Grimy ranarr weed 1 Uncommon 7,640 Grimy dwarf weed 1 Uncommon 448 Grimy cadantine 1 Uncommon 1,312 Grimy guam leaf 1 Uncommon 15 Grimy irit leaf 1 Uncommon 775
Item Quantity Rarity GE market price Earth rune 3 Uncommon 12 Water rune 11 Uncommon 44 Chaos rune 11 Uncommon 979 Nature rune 1–4 Uncommon 217–868
Item Quantity Rarity GE market price Coins 57 Uncommon Not sold Staff of earth 1 Uncommon 1,415 Mole claw 1 Uncommon 6,794 Clue scroll (hard) 1 Rare Not sold Mystic earth staff 1 Rare (1/128) 25,022 Experiment bone 1 Rare  Not sold
- Only during Rag and Bone Man II.
Gem drop table
In addition to the drops above, this monster has access to the gem drop table.
Show/hide gem drop table Item Quantity Rarity GE market price Uncut sapphire 1 Rare 455 Uncut emerald 1 Rare 679 Uncut ruby 1 Rare 1,249 Unknown talisman
1 Very rare Error Uncut diamond 1 Very rare 2,627 Rune javelin 5 Very rare 875 Loop half of key 1 Very rare 10,307 Tooth half of key 1 Very rare 10,840 Rune spear 1 Very rare 11,933 Shield left half 1 Very rare 65,697 Dragon spear 1 Very rare 37,226
- Looking at the creature from side on you can see that it has the child's ball stuck to its head, from the Witch's House quest. Even after you finish the quest they still have them on their heads.
- When it attacks with Ranged, it throws the shrunk ogleroot that it has in its arm on its head. Furthermore, a shrunk ogleroot may also appear below you when it attacks with range, similar to how when the player attacks an enemy with a Ranged attack, their ammunition will appear underneath it.
- If you go to the top of the chaos druid chamber in Taverley Dungeon, you can see the Experiment.
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