Arsonist

Burn It Up, Real Good! -Arsonist’s official catchphrase.

Arsonist is a fire being in Skylanders: Across The Multiverse. He is a Sensei of the Sorcerer class.

Biography
No one knows Arsonist's story, except that he would help innocents from troll invasions. He always was there to turn evil to toast. Rumors said that he trained in a secret cave in the Outlands. So no one was surprised when he became a Skylander and a Sensei. Now there are books about him.