Rivulet Dungeon : Sorosma's Lot

Relic Drop Table of Named NPCs ;

Bedlam : Devil's Needle Larvae
Unlocks the recipe for : Squalor's Terror

Hoggish Cultist : The Sigil of Kipokis
Unlocks the recipe for : Hogdriver's Spear

Inspector of Zeb : Prying Spirit Leash
Unlocks the recipe for : Inspector's Armet

Master Gryllus : The Sigil of Igurim
Unlocks the recipe for : Gryllus's Fine Mace

Priest of Zeb : No Relic Drop

Tick : Majestic Sigil of Hacamuli
Unlocks the recipe for : Withering Buckler