She's been on missions, yeah. But that's really what would appeal to her -- something solid and mechanical that she can tinker with. [Because that's what Precis liked to do -- tinker.]

With the right work on a symbol, I can keep the air in the submarine breathable, yeah. It won't be unlimited, because it'll take some of my energy to convert the expired air back into its original state. If I wasn't me, it might be somewhat dangerous.