Litany of Sable is a Unique Dagger in Diablo IV Season 15. It comes from Astaroth (Lair Boss loot table); Astaroth (Lair Boss loot table, boosted class-unique drop).
Unique power
Dread Claws deals [100 - 120]%[x] increased damage and additional claws fire out when you gain a stack of Shadowform.
Affixes
Weapon Damage
Skill Ranks to Dread Claws
Where it drops
Astaroth (Lair Boss loot table)
Astaroth (Lair Boss loot table, boosted class-unique drop)