You’ve made a mistake here, Pops , Eddie thought. Perfectly understandable, hit a mistake, all the same. We’re not the cavalry. We’re not the posse. We’re not gunslingers. We’re just three lost souls from the Big Apple who –
But no. No. Eddie had known who they were since River Crossing, when the old people had knelt in the street to Roland. Hell, he’d known since the woods (what he still thought of as Shardik’s Woods), where Roland had taught them to aim with the eye, shoot with the mind, kill with the heart. Not three, not four. One. That Roland should finish them so, complete them so, was horrible. He was filled with poison and had kissed them with his poisoned lips. He had made them gunslingers, and had Eddie really thought there was no work left for the line of Arthur Eld in this mostly empty and husked-out world? That they would simply be allowed to toddle along the Path of the Beam until they got to Roland’s Dark Tower and fixed whatever was wrong there? Well, guess again.
Stephen King, The Dark Tower: Wolves of the Calla