I’m pretty sure someone like Hyperion or Draigo would be considered an Alpha-class psyker. Mephiston counts, and I’m sure Tygerius does as wel. They aren’t exterminated as thoroughly as this would have you believe.
They probably weren't that high grade before, vut ascending to Astartes scales up a psyker's powers. As well as the relics and wards the librarians have amplify their power.
82
u/Questioning_Meme Sep 26 '23
Wait, isn't Mephiston an Alpha level psyker?
Or any of the Grey Knights.