Dragon Sealed Hero is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua series, english chapters have been translated and you can read them here. You are reading Dragon Sealed Hero chapters on ManhwaZ, fastest updating comic site. The Summary is
In the era of interstellar voyages, martial arts civilization has flourished. A muddy problem student, a mysterious dragon seal, has become an unparalleled genius. Under the starry sky in the future, let’s see how this young man goes onto the magnificent stage with a peerless posture, and rise to the peak of the vast starry sky step by step.
RajappanUsually it's “hero sealed dragon” right?