Major Yeggeth

Item	Chance	Quantity
Armored Chitin	≈ 36%	1–2
Ancient Armor Fragment	≈ 35%	1–2
Scarab Coffer Key	≈ 6.3%
Fury of the Forgotten Swarm	≈ 3.4%
Bone Scarab	≈ 1%
Bronze Scarab	≈ 1%
Clay Scarab	≈ 1%
Crystal Scarab	≈ 1%
Gold Scarab	≈ 1%
Ivory Scarab	≈ 1%
Silver Scarab	≈ 1%
Stone Scarab	≈ 1%
Alabaster Idol	≈ 0.5%
Amber Idol	≈ 0.5%
Azure Idol	≈ 0.5%
Jasper Idol	≈ 0.5%
Lambent Idol	≈ 0.5%
Obsidian Idol	≈ 0.5%
Onyx Idol	≈ 0.5%
Vermillion Idol	≈ 0.5%
Pattern: Runecloth Shoulders	≈ 0.07%
Plans: Radiant Leggings	≈ 0.07%

Drops and chances are estimates; not all have been confirmed in the current game. 175 rarer world drops are not listed.