Chapter 531: Time (4)

However, if Lu Sheng wanted to derive the next rank of the Infinity Technique, this amount of Mental Energy was far from enough. Back then, when he was trying to level up his Yin Flames into Death Blaze, he had invested hundreds of thousands of units, and this was not taking into account the special materials needed for this to happen.

The main function of Deep Blue was to act as an accelerator. Its ability to derive was also based on Lu Sheng's own knowledge to push out the old and usher in the new.

As his tier increased, its consumption increased as well. His Mental Energy was also starting to become insufficient.

The nearly 100,000 units of Mental Energy would only be able to make a small splash at his current Infinity Technique's rank.

'The only way to improve now is to obtain a huge amount of Mental Energy. The second way is the Heavenly Devil's Arrival to merge with my other spirit and enjoy a huge improvement.