Kairu is a primordial energy source that is used by warriors in order to transform into Redakai. Warriors using Kairu can gain incredible strength, lightning-fast speed, and superhuman mental powers. It is also used in the TCG in which it is used to activate abilities among other things.


  • Kairu is similar to Mana from the TCG, Magic: The Gathering in how they are used and they gain one each turn.
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