There's no reason why you can't take what you've already learned and see if it applies here as well.

[A shrug. It was what Waver had been doing since he arrived last Spring, and so far it had been helpful in finding his footing within Trench. Even divorced from local academia, it was impossible to fully take the tools and resourced away from a skilled researcher.]

In my experience, blood is a fairly common conduit for the energies that we need. It's not unusual for even children to be taught to sacrifice small animals for the sake of the Work.