Before that? Who knows what the naaru were. They don't have conventional bodies, instead composed of what seems to be pure Light. Evidence points to exactly that, as the naaru M'uru was captured and drained of its Light by the blood elves, to fuel their new, warped version of paladins in the Burning Crusade. They siphoned the Light from M'uru almost like a battery or generator, bending it to their will in a way that was pretty much the antithesis of the methods and practices that are usually taught to paladins.

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