True Identity is the Fourty third episode of Kamen Rider:Ace Warrior. It is the final apperance of the Spider Undead
After being poisoned by the venom of the Scorpion Undead, the two Undead fused into the Titan. Aaron attacks his friends and turns into Category Ace. Everyone is not spread even his girlfriend, Tara. The Tiger Undead has already been sealed and Aaron is forcing himself to fight Ace Warrior in his King Form. Will the transformation be complete or a faliure?