Martial Star Ocean is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mreader.co fastest updating comic site. The Summary is
As Armageddon threatened to destroy the world in 20 years, Li Mu was transported by his mentor to another world only to find that he became one of the most powerful beings in this new and strange world!
Follow him as he embarked on a swashbuckling journey of vanquishing evil as he grew stronger and save the world!