Kruk Cavity Tooth is a Legends of Idleon item: dropped by 2 monsters, used in 8 recipes. I guess proper dental hygiene isn't one of the requirements to becoming a Divinity.

Kruk Cavity Tooth | Idleon Toolbox

I guess proper dental hygiene isn't one of the requirements to becoming a Divinity.

Kruk_Cavity_Tooth

Spine_Tingler_Sniper

Skulled_Helmet_of_the_Divine

The_Divine_Scarf

Crackled_Skull_Destroyer

Zero_Point_Stopwatch

Unlocks the 6th tab of craftable items for all anvils!

Anvil_Tab_6

Skull_Lance

Staff_of_the_Undead_Plague

Chaotic_Kattlekruk

Sacrilegious_Kattlekruk

Wiki

Kruk Cavity Tooth

Dropped by

Used in crafting