This is no laughing matter! Jestro and his Stone Monster army are more powerful than ever. Jestro has awoken the horrifying Stone Colossus of Ultimate Destruction and is heading to the Knighton Castle to destroy it. The NEXO KNIGHTS™ heroes have no idea they are coming, but when the ground starts to shake and they see the Colossus, they know they will have to fight harder than ever. It is the final face-off. NEXO Powers vs Forbidden Powers – which power source do you think will triumph?