Dota 2 Treant Protector will be one of the new heroes in this RTS from Blizzard. Treant Protector or Rooftrellen is a melee strength type who can be best utilized in supporting and providing his allies greater survivability by healing them or casting upon them buffs such as invisibility skill making them invisible when near the tree line.
Meanwhile, here I gathered some preview videos about
Dota 2 Treant Protector (will update when I found more related stuff).