This is Vilgax's ultimate mode an Ultimate Chimera Sui Generis.
Thanks to the combination of 13/15 of Ben Tennyson's aliens. He stole the alien DNA's with a DNA absorbtion glove. He adds Ghostfreak and Way Big's DNA making him become even stronger thanks to Dr. Madness!
Combined alien DNA's
Thanks to Dr. Madness
Super speed, super strength, shoots energy laser beams from his eyes, can generate and stop earthquakes, can shoot bombs from his left hand can shoot electricity from every part of its body, has a whip in his left hand. Can absorb any energy laser beam from any part of its body and shoot it back even stronger. Unaffected by magic and mana attacks.