When Elfilin was captured from Forgo, he was inside a slimy ball, who has an ultimate lifeform in it. You had to chase it for the top of a building. Then it was sunset, the born soul was ready to battle Kirby, its name is Fecto Elfilis. You had to defeat the ultimate lifeform in 2 phases. Then, you got Elfilin back. After you got him, Fecto Elfilis had to hold on to its staff to open a vortex for Planet Popstar, and you and Elfilin had to work hard to defeat Fecto Elfilis with a big rig. It had to vanish away because or you and Elfilin. In a swirl in Planet Popstar, Elfilin tried his best to save the Planet from Forgo. Kirby thought Elfilin would vanish away, but he would never do that for Kirby.