BoBoiBoy X W.I.T.C.H. Crossover 

Defeated but still alive, a wounded Retak'ka ends up in Meridian. Now W.I.T.C.H must contend to fight a villain who not only is far more powerful than even Nerissa, but is capable of stealing their elemental powers.

Rules:

Post BoBoiBoy The Movie 2

Post Season 2 of W.I.T.C.H.