Sins of Harmony: Volume 2, Enemies Unbound

Sequel to Sins of Harmony vol. 1, Balance of Power: Hidden enemies make their moves. One wants vengeance against the Hephaestus Group. The other: Unknown intent, terrifying in potential. Equestria's heroes, changed by the Migration incident, find that unlike before, these enemies aren't reasoned with. Allies emerge, but each plot runs deep. Part of Sins of Harmony series.