A Nascent Soul Being.

... 

However, instead of heaving a sigh of relief upon seeing that the roots in the surrounding area became pulverized under the intense flame brought by his extreme flame of hell, Leo's brow couldn't help but further deepen... 

His eyes constricting as he hadn't seen his exp points increase even though he had already burned the roots around him into powder! 

Crack~

As unease descends from above, shrouding Leo's pale figure with dread that he couldn't explain, the earth in the encompassing land suddenly trembles. 

Earthquakes with strength that could rival a magnitude of 8 abruptly spread around. This caused the bones and dirt that were hidden beneath to succumb in pure disorder, making their gray and brown fragments fill the atmosphere... as fissures that ran toward the depths of the unknown earth began to unfold around.

Rustle~