Eukanaria and Haruhiko are hot on the trail of the elusive
Demon-Stones in an all out treasure hunt. When digging for buried
treasure, you have to have the right atmosphere and the Crystal Cave
seems like the ideal spot. But buried treasure, by definition, has to
be protected by traps and treachery. So when the stone walls in the
cave begin to move, it's a sure sign that they are in the right spot.