The barbarian survived; damage caps out at 20d6 after all, and somehow not only rolled low, had the bonus HP from raging as padding, but the GM decided that he got a free roll to reduce the distance 'cause of the dragon's now squishy skull...<br/><br/>...the GM also ruled that he landed on his stash of health potions as well, which ultimately saved him >.><br/><br/>We leveled like, twice I think... and the party got full suits of dragonskin and dragonbone armors :3