Watcher

Watcher is a Mob found in the. They are Level 55 and have what appears to be a Summoning Eye on their head. They are often found near the middle and back areas of the Dragon's Nest.

Behavior
The Watcher wields a Bow (presumably the End Stone Bow) and will alternate between shooting normal Arrows and Endermites.

As players often ignore Watchers, Endermites and Obsidian Defenders in favor of killing Zealots for Summoning Eyes, the spawned Endermites, Watchers and Obsidian Defenders often accumulate in large amounts.