Manas Aqua (マナスアクア Manasu Akua) is a special liquid and the power source of Kamen Rider Aqua's Aqua Driver transformation belt. To transform, Michal activates the belt to absorb water from the surrounding environment to produce Manas Aqua that circulates and increases the user's abilities to a great deal. The water can be from bodies of water to the water molecules in the air. Kamen Rider × Kamen Rider Fourze & OOO: Movie War Mega Max