Human/Cotati Hybrid Physiology: Quoi had enhanced abilities of a plant and a human. He could breath oxygen like a human, or photosynthesize, and thus did not require food or oxygen to survive. He could survive in the vacuum of space, possessed super human strength, and could manipulate the oxygen and carbon dioxide in the air.
Energy Absorption He also could absorb power from other beings, even powerful beings such as Thanos. He has limited ability, which will presumably grow as he matures, to control the power cosmic.