C862 Skeleton Demon Refining Weapon

In the Skeleton Demon's breeding ground, there was a very large bone sea, reaching a range of 80 miles.

Within the sea of bones, wisps of soul fire floated about before entering the heads of the corpses one after another. Afterwards, they assembled and evolved.

In this bone sea, soul energy would be generated to attract them and then evolve. This was the rule of this demonic land