The Watcher is one of the least common Nether in the game. Watchers are found perched on corners of rooftops, jumping down to strike their prey. The Watcher is easily visible from a distance due to its glowing eyes that emit a red beam of light. When killed it may drop Nether Skin, Nether Claw, Nether Bone, Nether Blood and its unique Watcher Eye.
They are masters of perception and stealth, using their unique ability of perception to watch and wait for unwary travelers that venture into their territory, they will surprise you out of nowhere and spit acid temperately blinding you and cause more damage with there normal clawing attacks.