Board Thread:Naruto Discussions/@comment-25369463-20140908104317/@comment-28861328-20140908145622

I would LOVE for Guren and her kekkei genkai to be canon, but, given Ice Release's supposed connection to Kirigakure, and the fact that Isobu has water nature (and water/earth [Crystal is part Earth] is already Wood), I'd put my money on Ice.