Prompt and DeviantArt link for the 29th.
There are many injuries a space marine can endure on a battle field. The suits are designed to withstand most and keep the trooper in battle. However, the most severe injury a space marine can received on a battlefield is injured pride.
As the knights waded deeper into the battling forces, many a space marine was emptying a magazine of flechettes and replacing it with the next one while the opposing demon who’d taken the full load seemed to merely stagger. That was not the source of the marines’ wounded pride.
Instead, it started as awe, before escalating into incredulousness, and finally shifting in exasperated disbelief as they watched pairs of knights wipe away pairs these demonic beasts with a chant and a wave of their hands.
The views before us supported the idea these guys were on a mission of a higher calling.