He's often described as the mage closest to achieving "majin" status—basically becoming a god of magic with power that transcends natural law. There's no doubt he's one of the series' strongest characters, though he's also genuinely mysterious about who he really is.
What makes him stand out isn't just raw power. He's got a genuinely good heart, which he's proven in ways that cost him dearly. Most famously, he gave up a once-in-10,000-years chance to actually become a majin just to save a cat. Beyond that, he dismantled a human trafficking ring and freed a hundred children—not because he had to, but because it was the right thing to do.
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