I struggled in the first semester of my sophomore year due to depression and other mental disorders but improved with all A’s from there on outward. If I was to continue getting straight A’s, my GPA would approximate at 4.64 from Sophomore to Senior year of high school. But I am wondering if one slip up will kill my chances. I feel deep resentment 
Define “good university”. There are over 2,500 colleges out there. If you think only the top 30 are “good”, you’re going to have a problem. If you want a school that will prepare you well for your future, you’re in luck. There are plenty of them. Continue to do the best you can, and when the time comes, do your research carefully, and you’ll have some excellent choices to pick from.