The Seal of the Mountains and Seas is a Manga/Manhwa/Manhua in english language, Adventure series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Ye Chenben is a young lord, because of a conspiracy, parents were killed, twin sisters were imprisoned; On the occasion of his death, the blood of benevolence awakened the ancient god beast and got the stunt of the god. Who is to destroy the door of the leaf house? Why is the beast and my present? And look down the young Yechen, how to change life against the heavens, the mountains and sea-sealed God!