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 4 opened loot windows.

Item	Chance	Source
Gem of Anacondra	75%always (3/4)75% chance (always) – common (3/4)
Serpent's Shoulders	50%1 in 2 (2/4)50% chance (1 in 2) – common (2/4)
Canvas Shoes	25%1 in 4 (1/4)25% chance (1 in 4) – common (1/4)
Wool Cloth	25%1 in 4 (1/4)25% chance (1 in 4) – common (1/4)