Oner Bryn was an ordinary man on an ordinary world before he was identified as a Psyker and imprisoned aboard a Black Ship for the long terrible journey to Terra. Deemed suitable for training as an Astropath, Oner underwent years of training and extensive indoctrination before being brought before the Emperor for the Soul Binding. The Soul Binding shaped his powers, allowing him to safely interact with the Warp and to broadcast messages through it and protecting him from the taint of the Warp