Dimensionality Reduction Ability

We have no hope in the future, and only by going back to the past can we change everything. As the only superpower on this planet, Qi Qianyu used up all his superpowers to open a space-time tunnel and go back to the past. However, the opening of the space-time rift changed the world that originally had no superpowers. Will the emergence of superpowers fight for a glimmer of light for this beautiful planet, or will it continue to be buried in the fog? (Time travel, single female protagonist, superpower, no Virgin)