Gray Candle Stub is a common archaeology artifact that requires 45 Orc Archaeology Fragments to complete, and allows the use of two Keystones.
Gray Candle Stub
Twenty-nine candles were used to summon the dreadlord Azagrim. Twenty-eight orcs were slain by Azagrim before Chieftan[sic] Hargal finally dispatched him.
This artifact is one of four items needed for the [The Harder they Fall] achievement.