Board Thread:Warhammer 40k Video Games/@comment-2.54.145.82-20141106204139/@comment-192.138.82.196-20150331193450

In the Ultramarines Novels, the "test" for corruption consisted of Uriel Ventris and his buddy (don't remember the name, Pasinus or something) having a 2-on-1 sparring match with a Grey Knight.

If they had won, they would have been deemed corrupted.