Blood doesn't bother me in any particular way, no. It's just the stuff that keeps bodies running.
Indeed! It wouldn't be possible with the tools I had in my own world - any engine that could have provided the necessary lift would have been too heavy. But here...here, I think we can do it.
Magic is entirely unknown in my world. The closest we have to what you do are our priests. They talk with people, help them find peace in times of trial. They work specifically in the context of the church, however.