Ten days passed in the blink of an eye.
During these ten days, Xiao Yan lived behind closed doors. Aside from daily meals, he locked himself in his room and diligently explored the sealing Dou Technique.
The difficulty of this sealing Dou Technique was no small matter, yet heaven does not disappoint those with a resolute heart. Relying on his own comprehension and the secret guidance of the Soul Devouring Master, in ten days Xiao Yan successfully and completely mastered the Spirit-Devouring Blood Monument First Tier!
Having mastered the Spirit-Devouring Blood Monument First Tier alongside the other Dou Techniques in his possession, Xiao Yan now possessed the confidence that if he were to face a powerhouse at the One-star Dou Xian Later Stage, he undoubtedly would have the strength to fight them.
The Spirit-Devouring Blood Monument was divided into three tiers, and each tier actually corresponded to a grade.
The first tier was enough to grant Xiao Yan the ability to seal powerhouses who were two grades stronger than himself. For example, since he was currently at the One-star Dou Xian Initial Stage, unleashing the Spirit-Devouring Blood Monument First Tier was enough to seal a powerhouse at the One-star Dou Xian Later Stage.
As for the second tier, it could grant Xiao Yan the ability to seal powerhouses three grades higher than himself, enough to seal a One-star Dou Xian Perfection!
As for the third tier, where the Spirit-Devouring Blood Monument reached grand completion, it would allow Xiao Yan to fight across realms and seal powerhouses at the Two-star Dou Xian Early Stage!
This was the terrifying aspect of the sealing Dou Technique.
However, although formidable, it also had its drawbacks. If he were to seal ordinary powerhouses, there was naturally nothing to fear, but if he were to seal