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It was used so that "His eyes wouldn't lie" about the darkness he used. Not that I really know what that means... Timelinesplitter Chaos 22:51, December 10, 2012 (UTC)

His eyes remained blue and "innocent", and thus no one from the dark would trust him. - TidusTehSacrificer357 23:54, December 11, 2012 (UTC)
That makes sense I guess.  Timelinesplitter Chaos 02:09, December 12, 2012 (UTC)