The Grendel (Beta) is a boss creature in ARK: Survival Ascended that must be fought in a dedicated arena. Classified under the Boss group.

Melee starts at 100% - respectable melee power that scales with level-ups. Starting at 450,000 Health, it's one of the toughest creatures in the game. With 3500 base Stamina, the Grendel (Beta) has exceptional endurance. A base Weight of 1000 means massive inventory space.

Killing a wild Grendel (Beta) yields 1500 base XP.