Which 4* should I dupe??

XSgt_Slaughter_x

I know they are just 4*s but I wanna get this as right as I can so I need the advice of my fellow summoner please...and thank you

Terra

The difference between Undupe and dupe hype is so large it's mad. He don't need sigs since it scales poorly. Do him. You won't regret it. None others on the list really need it.