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This technique creates a cluster of ice needles in the shape of miniature swallows out of preexisting ice, which the user then throws at the opponent. These needles can change direction in midair and will maim the opponent with their sharp wings. This technique can be eliminated by Fire Release techniques.
Through his additional application of Yin–Yang Release, Gaiaku is able to utilize these swallows as visual proxies, and control them through sheer willpower alone.