>>8725168We see him sustain fatal wounds and easily recover from them in the comic, too.
He also wasn't a Mandalorian. He attempted to assassinate the then current Mandalore, who upon failing to do so, had him tortured until he went into a coma, since they couldn't kill him.
After waking up, he learned that the last known Mandalore; Jango Fett was already dead, but he had a bunch of clones, so he decided to work for the CIS so he could take out his hatred on what he felt was the last remnant of the Mandalorians who tortured him.
