After destroying the Death Star, things weren’t great for Luke. He was captured by a wampa, nearly froze to death, kissed his sister on the lips and lost an arm to Vader. Sure, there were bright points and moments of heroics interspersed in there, but even his victories were overshadowed by failure. Luke took down an AT-AT, but the Rebels lost the Hoth base. And while Luke did defeat Vader in Round 2, he nearly died at the hands of Emperor Palpatine soon after.
Article source: https://www.cinemablend.com/news/2493518/face-it-luke-skywalker-peaked-with-the-death-stars-destruction