The Grendel is one of ARK: Survival Ascended's boss creatures, fought in its own arena with a prepared team. It falls within the Boss classification.

With 3500 base Stamina, the Grendel has outstanding staying power. With 100% base Melee Damage, the Grendel has decent hitting power. At 100,000 base HP, the Grendel is extraordinarily tanky. It carries 1000 base Weight - excellent carrying capacity.

A wild Grendel is worth 1500 base experience when killed.