She can't help but blink in surprise at the team up with Ren. A whole train? That was... wow. That's some juice Jaune has. This might actually work.

"I think I'm going to have the easy part." Metal is her game. She can lift it without much thought. But amplifying her abilities? She's still more worried about the toll it will take on Jaune. He might have hid the train, but how drained was he after? She's going to have to keep a close eye on him to make sure he's not pushing himself too hard.

She takes his arms in her hands, securing herself to him. "When you're ready, hold on tight. I'd rather a firm grip in case we fall." That's the spirit!