Since they can still awaken, my guess is that from now on they will have to go Highlander on each other every time one of them changes. The final two Claymores will then kill each other during the final battle, and the Claymores and Yoma will become legends in the island's history.
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Shaowstrike (Retired - FFXI)
91PUP/BLM 86SMN/BST 76DRK
Cooking/Fishing 100 "We don't just borrow words; on occasion, English has pursued other languages down alleyways to beat them unconscious and rifle their pockets for new vocabulary."
— James D. Nicoll