Hero & Nero are brothers in arms who turned evil.
"We two brothers shall here by serve you as your loyal assassins".
History[]
While exploring the Forges for the traitor Known as Dragon Slayer, Three brothers known as Hero, Nero, & Zero almost caught him unfortunately an explosion went off taking part of Hero's arms, Nero's body, & no one knows what happened to Zero. Dragon Slayer, in a moment of weakness, saved Hero & Nero from death, helped reassemble them and modeled them after himself, he never said what happened to Zero.