Catalyst

This is my dragonsona, Catalyst!

He's a lightning dragon, he's not usually angry but everyone thinks he is, so he does get kinda angry sometimes.
His scales are made of silver and his horns, spines, claws, and tail are made of a magnetic lodestone-like material. His blood contains a high amount of silver in it as well.
He's not very powerful, i.e. he can't shoot lightning from his mouth or anything like that. He can cause large-ish static discharges and create small electromagnetic fields within close proximity to himself (like with his tail), but he has a physical limit to how much energy he can expel at any given time without harming himself. While he's very resistant to electricity, he's still made of flesh, and discharging too much energy at once can burn the area of discharge from the inside out. The best way to think of him is like a giant super-taser. He does however need to discharge energy on a regular basis, otherwise his energy will build up and he'll start to suffer from conditions like paranoia, anxiety, short term memory loss, and nausea. If he discharges too much/too often, he'll become very lethargic.