C2136 The Mystery of Heluo(3)

This Hiro rune was discovered by Hanyu Xiaotian in the ancient ruins on the Nicotine. Furthermore, the Hiro rune was exactly the same as the Hutulo in this Mountain and Sea Realm.

Then ~

What did the ancient ruins on that Nicotine have to do with this Mountain and Sea Realm?

Although the exact time of existence of the ancient ruins could no longer be verified