Friendly. Awards the Slime Serpent mount. Spawns in the area surrounding The Broken Tower if you solo the entire Plaguefall dungeon on Heroic or Mythic mode.
Level scaling: Most NPCs will scale with the Hunter's level, within the constraints of their level range. Hunters can tame regular NPCs up to 2 levels higher than them, but can only tame elite NPCs of the hunter's level or below.