The Red Nether Master had used up a lot of his divine power in the fight with Jian Wushuang. Later, Jian Wushuang had used up 10% of his divine power in one strike, the Red Nether Master had indeed used up more than 20% of his divine power.
However, they were in the Universe Battlefield and the Nine Twists Demon Cave, the core area of Devil Smoke Valley.
It was very difficult to recover divine power in the Universe Battlefield. At least, it was much more difficult than in other places.
As a perfect life form, Jian Wushuang's divine power was incredible. However, he had lost one-fifth of his divine power in order to get the mysterious blade in the flame tide, even though he had been in the Universe Battlefield for nearly 20 years, he still could not fully recover one-fifth of his divine power. It was difficult to recover divine power in the Universe Battlefield.
