The moment Klaus' outstretched hand brushes the crystal, a burst of energy shoots into his body. The crystal feels wet, and he can now see drops of water condensed on its surface on its surface. A steady drip of water now makes itself known to his ears. When he looks over, he sees that Estraeah has also went for one of the blue crystals.
Before he loses consciousness, he smells the faintest hint of the ocean breeze, hears the ocean waves calling him home. He does not feel himself hit the ground.