Everything up to any actual territory with spirit healing.

[It's... well, its easier, when the talk is strictly professional. Bruce can keep the emotions at bay, voice clipped and businesslike and straight to the point. Easier to focus on the work and little else.]

I've read the texts, but its been years and I've never had occasion to go back to them. [Especially since the spirit inside him happens to be not a spirit at all and Bruce knows better than to try his luck.]