In terms of strength, Luo Hao could maintain the peak state of the Grand Yan Immortal by burning his source. Root issues were not a concern.
Inside the canyon.
Jian Wushuang sat cross-legged within a formation. Luckily, he had killed several Grand Yan Immortals and obtained numerous pills from them. At this moment, he swallowed them all in an attempt to accelerate the recovery of his Yan power, which had been depleted in the recent battle.
That last strike had nearly completely shattered his divine body. If it were an ordinary Grand Yan Immortal of the Ultimate Dao, that strike would have been fatal. Fortunately, he mastered the Extreme Dao; his divine body was a hundred times stronger than the Ultimate Dao. His Yan power was more abundant than any other Grand Yan Immortal, but even so, that blow had instantly torn through his body, causing a significant loss of Yan power.