El El Hazard: The Alternative World, Vol. 4: Dreams Of Tomorrow

Gilda leads Makoto inside the Spring of Life, where he realizes its secrets and discovers the threat of world annihilation! Arjah uses Gilda to get the activation password from Dall Narciss, and when Gilda speaks the password, the floating colonies crumble and the farmlands are destroyed as the ancient artifact reforms! Now it's up to Makoto and the Three Priestess to stop Arjah from destroying the alternate world of Creteria.