A little easter egg in this comic is that the Ultramarine is primaris and the Blood Ravens are firstborn. When this comic first came out, rhinos could not transport primaris troops, so really the Ravens are just surprised that the UM is not codex compliant.
A little easter egg in this comic is that the Ultramarine is primaris and the Blood Ravens are firstborn. When this comic first came out, rhinos could not transport primaris troops, so really the Ravens are just surprised that the UM is not codex compliant.