The Grendel (Alpha) is a boss creature in ARK: Survival Ascended that must be fought in a dedicated arena. It belongs to the Boss category.

At 600,000 base HP, the Grendel (Alpha) is one of the toughest creatures in the game. Melee starts at 100% - decent hitting power that scales with level-ups. Stamina sits at 3500 base, providing outstanding staying power. Weight capacity starts at 1000, giving it an enormous weight pool.

A wild Grendel (Alpha) is worth 1500 base experience when killed.