Nightwatch Over Windscar - K. Eason - Bog

"Iari is good at killing monsters, [as] a templar in the Aedis, a multi-species religious organization committed to protecting the Confederation...But after she helped stop separatists from sabotaging the entire Confederation, she discovered a new sort of monster: the rogue-arithmancer, political kind. Promoted and sent north to the tundra of Windscar, Iari leads a team of templars to investigate ancient, subterranean ruins...Iari isn't worried about ghosts. She's worried about surviving separatists and a fresh attempt to upend the Confederation"--