Herald of Devil?

"It's most likely that Gabriel is also a hell spirit..." Wang Xiao's realization dawned with a mixture of apprehension and understanding, the pieces of the puzzle beginning to coalesce into a clearer picture.

[We can take that as a possibility, at least now we are certain that there are only two individuals, Gabriel and Asmodeus, that we need to concern ourselves with. And this Gabriel, he seems to have refrained from attacking Anran because he noticed your presence near her.

[Then, he wanted to test you, and after witnessing your powers, he wished for you to join them?] Yin Yue's voice, both analytical and supportive, helped distill the situation, summarizing the events and intentions with precision.

Wang Xiao nodded, an acknowledgment of the accuracy and possibility of Yin Yue's summary. "That's accurate, and possible..."

!!

His thoughts were abruptly interrupted as a sudden realization struck him, his eyes snapping open with intense clarity.