Mahou Senki Lyrical Nanoha : Clockwork

Hayate is given the command of the Joint Task Force. Her job: repel the thousands of Alicia clones invading the Bureau. Fate rushes to save her sisters from Hayate's wrath. Meanwhile Nanoha is hell bent on killing them all and put an end to Fate's miserable past once and for all, even if it means losing her own sanity.