The legendary king

The novel follows our MC Russel vincent. In the sky continent, the demon race and monsters started their invasion on the continent after seeing his home, comrades, and lover being killed by the demons. ¨ And the nobles that colluded with the demon king to destroy the Star kingdom. After 40 years of struggle, Russel died a painful death by the 9 demon commanders. and was reincarnated 45 years in the past. Now that I got a second chance the people that have wronged me, I will destroy them. and saved humanity from the demon invasion. Hey am a new author this is my first novel English is only my second language so please excuse my bad grammar and hope your enjoy the novel.