C530 Whirlwind's Legs Carrying out a Mission

[Beep! The host has expended 1000 calories of Vitality to successfully refine his right leg!]

Half an hour later, Xu Renli could feel a scorching surge within his right leg.

Powerful, substantial...

The essence of bone marrow!

With a gentle stomp, the floor cracked, and fissures spread outward like a spiderweb.

"Excellent