“It is,” he assured me. “This is another of the sorcerers’ contradictions: it’s very difficult and yet it’s the simplest thing in the world. I’ve told you already that a high fever could move the assemblage point. Hunger or fear or love or hate could do it; mysticism too, and also unbending intent, which is the preferred method of sorcerers.”
Mystical experiences aren’t useful to sorcery and an obsession with them is counter-productive.