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sonic shield

The sonic shield was the tool carried by Kohrak-Kal.123 It could create a sound barrier that could repel most forms of attack or cause objects to vibrate until they shattered.23 The sonic barrier created by this shield responded to blows with a sound so loud it could stun a Toa Nuva.231 The sonic shield could form a barrier of solid sound, make objects stress and shatter, or create solid objects made of sound.4