Where is it?

Boss in Excavation Site: Wetlands. See the boss's loot on the instance page.

Drops

From EG Link (collected in Forever by other players, not confirmed with Forever Scout): share of 4 opened loot windows.

Item	Chance	Source
Titan Relic	100%always (4/4)100% chance (always) – common (4/4)
Ring of Power Regulation	75%always (3/4)75% chance (always) – common (3/4)
Reliquary Mantle	25%1 in 4 (1/4)25% chance (1 in 4) – common (1/4)