I Can Change The Timeline of Everything 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.nl fastest updating comic site. The Summary is

“What should I do if the elixir has expired? Don’t be afraid! Just reverse the elixir’s time, I want all of your expired elixirs! What should I do if the cultivation method is too slow? Don’t be afraid! Just adjust the cultivation time forwards by hundreds of years, the cultivation method will be successfully mastered immediately. What if the growth of Spiritual Grass is too slow? Don’t be afraid! Just accelerate the growth time of the Spiritual Grass by tens of thousands of years, and the Spiritual Grass immediately becomes a Divine plant. Traveling to another world and discovering that you are a waste material? Don’t be afraid! I can change the timeline of everything!”