Mmm...it might have a battery, which could be really useful if we find it... [Even if it's some kind of backup power system, there might be some part of the power source small enough to transport. Regardless of how the engine is made, something needs to power the reactions that make it function unless they came up with some kind of weird perpetual motion system.

He tunes out of that subject a bit when Cordelia gets onto the topic of her training, though. On one hand, Ren is self-aware enough to know that he's lazy. On the other...well, if there's anything that's going to stop him from being lazy, it's getting a good challenge out of his work.

He lets out a lengthy hum, tapping a finger against his chin.] How strict? I'm okay with things being pretty difficult as long as it's interesting for me...

[So it probably depends a bit on whether "drills" are by himself or whether he actually gets to spar or anything routinely enough to keep his interest.]