He was disoriented, at first. The dark sun had dimmed and strengthened, dimmed and strengthened, and years of patient growth of power had taught him not to read too much into the fluctuations in power wrought by distance, weather, old phantasms that lingered like ghosts of their former powers, or animals who used power the way bats used sound. There were thousands of natural factors that occluded power the way other factors might affect sound.