Blood Symbiote Bio-Reactor(Legendary Tier)

The breathing technique was at go. Intertwining the three waves in a particular twist, he oscillated them at different frequency while at the same time, controlling the flow of his blood to move in rhythm to get his heart beating at the stated rate.

In no time at all, Erian's face flushed red and he felt as though his muscle, blood vessels and skin was about to burst as the frequency turned destructive, threatening to rip his flesh apart.

Ten seconds passed and thick veins bulged out from underneath his skin. The words appeared in his Techniques list but then vanished like smoke. "Not yet! Just a little bit."

Through gritted teeth, Erian held on until the words popped up on his screen.

He immediately let go, breathing out a storm. His veins would have erupted if he held on for longer without merging the symbiosis with himself.

"Upgrade Symbiosis Bio-tech Reactor to legendary."