User blog comment:Erniiacevedo/Certified Commando, the eto protecter./@comment-9508408-20140329224452

Invulnerable to all damage types? no. That right there makes this champion a terrible idea. You can't make a champion invulnerable to damage no matter how specific. If it isn't just ignoring a small amount of damage, then it's too overpowered and it's a crappy idea.