help i need someone who can tell me where to find the 12 runestone i am on a nintendo gamecube i have gotten all crystals been to all realms got feathers icon beaten the bosses took down skorne and i cant move on until the 12 runestone is found where the is it this game is driving me nuts i am playing this with my daughter can someone respond please thank you hop to hear from anyone

I don't know if you'll get this, but here it is anyway.
Talk to Sumner, and select 'rune'. He'll pretty much tell you exactly which levels they are in. As for finding them withing the levels, you're on your own. Just keep your eyes open, explore everything, and shoot lots of walls.