[After your cultivation level improves, the territory can be attacked at any time!]
[The two demon kings nodded repeatedly after hearing this and accepted your suggestion.]
[So the two demons, with only elite generals, launched a surprise attack on the Heavenly Demon territory overnight...]
[Half a month later, the two demons returned smoothly. Although their generals suffered casualties, the faces of the two demons were as calm as usual, revealing nothing about their gains.]
[After dismissing their subordinates, the two demons called you in alone. They exchanged a look, then laughed heartily, and each rewarded you with several hundred pounds of flesh essence from Human Immortal Realm demon cultivators.]
[You were delighted in your heart, estimating that the two demons must have had a significant opportunity, so you asked them.]