An initial violet glow consistent with one-time eridium usage, followed by a mild - um, very mild - energising effect. Like drinking a cra-- a gross energy drink. Nothing else.

It was worth the risk. If I had my abilities back, I could get us all out of here. You know that.

[ She hasn't genuinely felt the need to justify her actions to him in a long, long time. But there you go. He's kinda sorta earned that much. ]