His weapon will cover his whole body like an armor and he will shoot beams. You bet?
Probably a ranged weapon with a grab.
Maybe a glowing rope like another famous guy ;)
a sharp pointy stick is my guess
Well he got a rubik's cube what also like a rubik's cube?
His main weapon is already so cool by changing form that I can't imagine anything else beside his weapon covering his whole body like some kind of Ironman shooting beams.
Well he already has a bit of thor and gladiator, so why not ☻ :) ☺
Probably just a bigger cube.
Well he got a rubik's cube what also like a rubik's cube?
ancient mecha summon/vehicle>:D
... or dual wield the ancient tassel thingies from his necklace as swords:)