Nuibaba is a character from "Fire Emblem: Gaiden" and it's remake "Fire Emblem Echoes: Shadows of Valentia"

“What next, child of fate? You slipped my grasp at the border, but now you run straight to my snare. Despite the bungling of that useless Berkut... Tsk, no matter. All will be mine soon enough. I'll not let the likes of Jedah claim a bearer of the Brand. The power of such a soul could grant me life eternal!”