"To reach the end" means to successfully complete or finish something, whether it be a task, goal, or journey. It implies reaching the desired outcome or conclusion. Full definition
Most people understand and are used to the thought that these types of components reach the end of a useful lifespan and should be replaced. (sterlinghomeinspections.com)
It is necessary to establish what knowledge the student will get when reaching the end, what will be changed: Will he / she expand knowledge? (elearningindustry.com)
You'll fight a ladder of characters individually until reaching the end. (gamingtrend.com)