Where is it?

Boss in Wailing Caverns. 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 3 opened loot windows.

Item	Chance	Source
Glowing Shard	100%always (3/3)100% chance (always) – common (3/3)
Deep Fathom Ring	33%1 in 3 (1/3)33% chance (1 in 3) – common (1/3)
Defender Girdle	33%1 in 3 (1/3)33% chance (1 in 3) – common (1/3)
Scouting Belt	33%1 in 3 (1/3)33% chance (1 in 3) – common (1/3)
Mutant Scale Breastplate	33%1 in 3 (1/3)33% chance (1 in 3) – common (1/3)