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Character:

Isaak possesses many talents and is well versed in the use of Lost Technologies. His primary weapon is an attack called the Arrow of Belial, a massive sphere of light that shoots a multitude of energy bolts at his opponent. He also possesses the ability to project a nearly impenetrable electromagnetic wall, known as the Shield of Asmoday, around his body. This defense can be utilized at will and is capable of blocking almost any assault. In addition, Isaak created artificial demons that he can summon into battle to aid him. 

Source from Wikipeida