Called the "World's Core", this creature lives underground, deep below sea level, subterranean its domain. Thought to have entered dormant slumber since years ago, whence the Guild realizes that the electromagnetic disturbances plaguing the Adrift Valley had disappeared, prompting the Guild to set up a new village near the valley's entrance. However, the activity surrounding the new village soon awakens it from its sleep, and the disturbances appear once more...