The pillar rose up before crashing down, creating a cascading wall of water that rained down on the lake. Reign jumped on top of the surface of the lake, channeling a good portion of his mana into his legs and feet in order to stay on the surface of the water.
This was something that those who had reached the Power Realm could usually do, stand and walk atop of water with ease. Actually, it was possible for those in the Warrior Realm to do so with some practice, but most never even think of doing such a thing, which is why most just find themselves surprised that they could do it as naturally as breathing upon reaching the Power Realm.