Although the S-grade skill, Heart of Darkness, was a spiritual attack skill, it also had some supporting effects.
After all, the principle of the S-grade Heart of Darkness was to use Liu Yan's powerful spirit energy to attack the other party's mind.
As such, he could also choose to use his powerful spirit energy to soothe the other party's spirit energy, thereby helping the other party relieve mental fatigue.
This was another use of Liu Yan's S-grade skill, Heart of Darkness.
It was a great S-grade spirit energy attack skill, but it had now become a mere support skill. However, Liu Yan felt that it was completely worth it.
Chu Long was dazed for a moment before she recovered. Then, she felt the world before her become clearer and brighter.
The mental exhaustion from healing others for a long time had made her muddle-headed, but now, she felt much more awake and comfortable.
