Very Smooth Shale

Dropped by

Creature	Quantity	Drop rate	Level
Corrupted Earth Elemental	1	0.25% (1 in 400)	15

Chance per kill, from the game's loot data: one loot pass on an unscaled map. Party-scaled instances roll the same tables again, so these are floors, never ceilings. A rate marked "at least" is one whose roll count depends on data this wiki does not carry.