Odd Rhythm (バイオリズム・奇数 Baiorizumu kisū lit. Odd Biorhythm in the Japanese version, Rythme impair in the French version, Ritmo irregolare in the Italian version, Cadencia impar in the Spanish version) is a Skill in Fire Emblem: Awakening.

The user's Accuracy and Avoid have 10 extra points during odd numbered turns. It is learned by Manaketes at Level 1.

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