"All worlds begin in darkness, and all so end. The heart is no different. Darkness sprouts within it, it grows, consumes it. Such is its nature. In the end, every heart returns to the darkness whence it came. You see, darkness is the heart's true essence." —Ansem, Seeker of Darkness At the End of the World, Sora Donald and Goofy Face the man who is the cause for everything. Ansem seeker of Darkness after finally taking Riku's soul stands before the trio with the intention of opening the door to darkness known as Kingdom Hearts.