Chomper

Item	Chance
Basilisk Scale	≈ 43%
Broken Basilisk Teeth	≈ 38%
Curved Basilisk Claw	≈ 26%
Intact Basilisk Spine	≈ 26%
Sharp Claw	≈ 5.8%
Lesser Moonstone	≈ 2.3%
Large Fang	≈ 1.7%
Red Fireworks Rocket	≈ 1.6%
Coarse Blasting Powder	≈ 0.58%
Heavy Bronze Lockbox	≈ 0.58%
Moss Agate	≈ 0.44%
Jade	≈ 0.29%
Formula: Enchant Cloak - Lesser Shadow Resistance	≈ 0.14%
Plans: Iridescent Hammer	≈ 0.14%
Plans: Mighty Iron Hammer	≈ 0.14%
Plans: Silvered Bronze Leggings	≈ 0.14%
Recipe: Elixir of Lesser Agility	≈ 0.14%
Manual: Strong Anti-Venom	≈ 0.05%
Schematic: Bright-Eye Goggles	≈ 0.05%

Drops and chances are estimates; not all have been confirmed in the current game. 215 rarer world drops are not listed.