[ They're better than the 'stay on the train and die in a fiery explosion' option, at least. (Probably.) As for heat and the amping up thereof, her first attempt at fireballing the connector results in approximately zero (0) benefit to them. She manages to hit it easily enough - which would have been quite pathetic if that weren't the case given how close it is to her - but it seems to do no good. Casting a glance back at him, she pauses with the next Fire still poised in her hand. ]

... It's a long story.

[ Which is hardly a comforting answer, to be sure. Trying again yields the same results, and the third spell, though slightly larger, appears to be both her limit and almost as ineffective, although the metal is a bit scorched now. Such a shame; she has the potential for more but not the wherewithal to use it. Frowning deeply, she pulls herself fully back inside. ]

Let's just say that there are some paths that most people can't travel, and it's for good reason. Spending too much time there is dangerous for anyone with a heart. You'll... have to stick close, that's all. [ Which sounds a bit on edge for a sentence ending in 'that's all.' Exhaling, she shakes her head. Back to the more immediate matter, ] It won't budge. If you have any other ideas, now's the time. [ That counts as helping, right? ]