The Finishing Spell

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Smiling, he flew away to where Shiroyuubi was, preparing for a combination spell they prepared exclusively for the sirens.

Fuyukiku floated beside Shiroyuubi with both of them being midair. Their eyes followed the confused state of the sirens and unwavering will they had. Looking at each other, they nodded at the same time and went the opposite ways.

Fuyukiku flew to the left whilst Shiroyuubi went right. They flew high above the sirens, trapping them from each side. They locked eyes before going in with their own spells.

A tall wall of ice formed inside of the mist that hid them from the public. From the outside view, there's only a random mist forming in the middle of the ocean near the entrance to the lake. They would never know what was happening within.