This fight had been much easier than before and Zhang Yi managed to destroy all enemies without being wounded, but in compensation, he ended the fight with only one-third of the remaining IQ, if a new enemy appeared he would be in trouble.

Zhang Yi only used these techniques because he had much more IQ now that he was in the realm of the spiritual sea and also because he was sure he was far enough away from the next group of enemies not to be discovered.

When he entered this world soon he could discover that he should not use large-scale techniques as the sacred h.e.l.l technique he used, that's because the Warriors who entered This world previously died after a short time because the Other enemy groups were alerted and they ended up getting tired and died even though they were in the realm of mortal tribulation.

Of course, the reason for this was that all the search forces that the Warriors normally used as perception or mental energy were restricted in this world, so they didn't realize that their attacks could call more enemies.

But the stronger the enemy groups were, the greater the distance between the groups of enemies stood, so now that the end of this underworld was coming he could finally use high-range techniques like that without running the risk of alerting the enemies.

After the end of the fight, he returned back on the path of the tunnel and found the twins who were pale again and took them back to join with Lusserina and Saphielle.

The battles continued the same way in the coming days, although usually, this method was risky to defeat the enemies, it was the best way against the skeletons without risking to get hurt.

When both of the enemies increased the longest the battles were and more Qi had to consume Zhang Yi to win, yet he succeeded in constantly advancing in this way and without getting hurt at all.

After a few weeks fighting this way Zhang Yi was prepared to face a new group of enemies, the number of enemies reached 700,000 skeletons, yet most were skeletons of the realm of the nucleus revolution.

The maximum number of skeletons in the spiritual Sea realm was set at 10000 in all groups, but that did not bother Zhang Yi at that time, the problem was the enemies of the realm of mortal tribulation.

He had to face 25 enemies of the realm of mortal tribulation this time, with that much of the skeletons of the realm of mortal tribulation The skeletons would no longer be affected by his divine mastery of sacred technique.

This would not change much as it would still destroy all with the divine sacred h.e.l.l technique, yet the skeletons of mortal tribulation could use more of their forces, they could use nearly 60% of their total strength.

This was what most cared Zhang Yi when 100 skeletons of the realm of mortal tribulation were together they could probably use 100% of their powers, he did not know if they could face so many enemies with their powers to the fullest.

In fact, it was not that his divine technique was ineffective, but that they could strengthen themselves with negative energy, without the sacred mastery technique the skeletons of the realm of mortal tribulation would have 120% of their maximum strength.