I was disappointed with this story. It didn't really serve any purpose in the Heresy - I'm left struggling what difference it made to progressing the overall plot. The Astartes are hammed-up stereotypes of their respective Legions, every one of them, but none more so than Zadkiel who came across as some kind of outrageous panto villain. He should have been renamed Palpatine. Speaking of Star Wars, [SPOILER ALERT] the Furious Abyss suffered from the same weakness as the Death Stars... Really, what is it with those reactor cores...

Shocking.