Su Yu's gaze fell on the Qi Refining Skill, pouring endless cultivation points and Taoism into it.
After an hour, after consuming 9.8 million cultivation points and 70 points of Taoism, the Purple Essence Qi Refining Skill was elevated to the fortieth level.
But this was just the beginning. After a brief rest, he once again consumed 27 million cultivation points and 140 points of Taoism, raising the Purple Essence Qi Refining Skill to the fiftieth level in one go.
Purple Essence Qi Refining Skill Level 50: Qi and Blood +2000, Mana +4000, Magic Power +2000, Mana Recovery +10 points/second.
Purple Essence Qi Refining Skill Level 40 Derivative Doctrines: Thousand-Mile Sound Transmission, infuse mana to transmit voice a thousand miles away, basic range 20 kilometers, +2 kilometers per Heart Skill level.
"Not bad!"
