Cave Age

In front of the stone wall, people watched Drake Dragon's figure disappear, and everyone stared at the cave entrance. But the entrance of the cave was eerily quiet, without a single sound coming from it, leaving everyone looking at each other in bewilderment. "He couldn't have died just like that? How come there was no sound at all?" someone couldn't help but wonder. More than ten breaths had already passed. When others entered the cave, they started fighting within two breaths and there were...