Bab 52: Level Two Raven, Gorilla Bloodline?

Ray felt the mutation energy rapidly draining from his body and frowned slightly.

"Is the consumption really this terrifying?" he muttered.

Despite having slaughtered undead like grass along the way, and with his mutation energy close to crossing the thousand mark, the condition was not optimal.

"When I have enough mental energy," Ray's eyes flashed with contemplation.

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[Mutation energy: 923]

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This was already a sizable amount of mutation energy, but there wasn't even an advancement for the Body-Strengthening skill yet.

Ray hesitated, weighing his two options: patiently waiting to upgrade his Body-Strengthening skill or advancing other skills.

Crooooaak!

As Ray was distracted, he suddenly heard a terrifying sound wave. His ears started to bleed on the spot.