Based on the name of this set of stories, I'm thinking this ties into EW and everything preceeding it, rather than DT (has DT's storyline been that polarizing?).

Either way, it's interesting to see
what really made Lahabrea tick, as well as fill in a few remaining plot threads about Gaius and the Ultima Weapon dating back to ARR, and it was kind of fitting in a way at his discomfort being tortured by lingering memories of Athena and Eric - karma for his part in the events of Pandaemonium.