It takes almost a full minute of fire breath, powerful fire spells, and warriors tearing it apart, before the structure begins to crumble. One final blow causes a spiderweb lattice of cracks to criss-cross the structure, before the entire thing glows with a brilliant green light, and begins wailing, louder and louder, before exploding in a shower of dagger-shaped shards of ice, in every direction. (DC 27 Ref, or take 31 slashing damage and 17 cold. Save halves.)<br/><br/>As before, all of the shards radiate magic, but one in particular is significantly stronger than the rest.