Found throughout the ARKs, the Lost Rex is a carnivore creature in ARK: Survival Ascended. It falls within the Variant classification.

At 1,100 base HP, the Lost Rex is quite durable. Dealing 100% base Melee Damage, the Lost Rex brings solid damage output to the table. Its base Stamina of 420 gives it solid stamina reserves. It carries 500 base Weight - an enormous weight pool.

The Lost Rex roams the ARK as a wild, untamable creature. Killing a wild Lost Rex yields 30 base XP.