Gryvuus Krohl is an Iron Hands Librarian, who states the Chapter's Psyker abilities allow them a unique view of the souls of their war machines. When they commune with the machines, they see Battle Brothers who are as eager as they are to vanquish the Chapter's foes.[1]
Sources
- 1: Codex Supplement: Iron Hands (8th Edition), pg. 62 - Technomancy Discipline