Sailor Moon Crystal
Act 34. Infinity 8: Infinite Labyrinth 1 (3x9)
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With Chibiusa on the verge of death, and Hotaru being completely taken over by the enemy, Sailor Uranus, Sailor Neptune and Sailor Pluto part from the group to annihilate Mistress 9 once and for all, even it means destroying both Hotaru and the spirit of Sailor Saturn in the process.