Heavenly Demon Cultivation Simulation is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

A group of scouts have been assigned to the area of the Mount Hua Sect by their great leader, ‘The Mantis.’ The protagonist ‘Seol Hwi’ faces the Hua Sect Master ‘Goo Jong Myung,’ and falls in mortal danger. A status windows then pops up and made him return to the time before he accepted the scouting mission. Once he receives the same scouting mission that left him dead, Seol Hui struggles to change the unavoidable reality. A status window that appears every crisis. Choices with uncertain future. The story of Seol Hwi as he tries to find the best decision in his world mingled with life and death.