Protect the Treasure of Koshaputo!

Synopsis

Scorpion's goal wasn't the treasure of the "Tomb of the Prince of Light" — it was the power of the demon sealed there! Scorpion absorbs the demon's power and grows gigantic. Burton and the others fight back with Ninja Gum to stop Scorpion, but the barrier he's created blocks and repels their attacks. Can Burton and the others stop the revived demon!? And what is the true identity of the Prince of Light…?