Rockwing Screecher

Item	Chance
Smooth Stone Chip	≈ 44%
Invader's Scourgestone	≈ 35%
Shiny Polished Stone	≈ 17%
Wicked Claw	≈ 8.1%
Lightforge Belt	≈ 4.5%
Lightforge Bracers	≈ 0.7%
Thorium Lockbox	≈ 0.69%
Codex: Prayer of Fortitude II	≈ 0.36%
Aquamarine	≈ 0.28%
Star Ruby	≈ 0.28%
Tome of Arcane Brilliance	≈ 0.26%
Book: Gift of the Wild II	≈ 0.2%
Pattern: Felcloth Hood	≈ 0.08%
Pattern: Runecloth Shoulders	≈ 0.08%
Plans: Radiant Gloves	≈ 0.08%
Traveler's Backpack	≈ 0.08%
Codex: Prayer of Shadow Protection	≈ 0.07%
Formula: Enchant Boots - Greater Agility	≈ 0.06%
Formula: Enchant Bracer - Superior Stamina	≈ 0.06%
Pattern: Brightcloth Pants	≈ 0.06%
Pattern: Felcloth Boots	≈ 0.06%
Pattern: Felcloth Shoulders	≈ 0.06%
Pattern: Heavy Scorpid Belt	≈ 0.06%
Pattern: Mooncloth Bag	≈ 0.06%
Pattern: Runecloth Headband	≈ 0.06%
Pattern: Runecloth Pants	≈ 0.06%
Plans: Thorium Boots	≈ 0.06%
Plans: Thorium Leggings	≈ 0.06%
Recipe: Purification Potion	≈ 0.06%

Drops and chances are estimates; not all have been confirmed in the current game. 379 rarer world drops are not listed.