Big missed opportunity. She doesn't do anything, whether you go good or evil it doesn't matter. Go kill goblins or owwww you kill me.

Larian's Biggest Oversight, what to do about it, and My personal review of BG3 EA
"74.85% of you stood with the Tieflings, and 25.15% of you sided with Minthara. Good outweighs evil, it seems."