Orb has many forms and finishers!
The fusion forms are the fusion of some hero's powers into Orb.
From Original, Tiga, Taro, Mebius, Jack, Zero, Belial, X, Ginga, Victory, Seven, and many other heroes.
And the fusions are Origin, Trinity, Specium Zeperion, Burnmite, Hurricane Slash, Thunder Breaster, Lightning Attacker, Emerium Slugger, and many more.

Check out all fusion and all finisher of Orb!