I like it when the fillers are about pirate stuff that Oda doesn't bother to get into. Escaping a marine fort with your treasure? Reclaiming your Colors? It's all good.
Quote Originally Posted by AssertnFailure
But there was water below the ice they were fighting on.
Obviously not since lava comes from the ocean floor. So either there was rock under the ice and it all melted, or the lava erupted up through the water into the ice. Either way its all lava between them and the center of the earth.