Playing through Persona 3 again, I was reminded of the final boss battle against Nyx. After spending numerous attempts, I had to take a hiatus and return with renewed determination. Eventually, I came out victorious, with the completionist in me finally being able to sleep peacefully.

RPGs are notorious for their excruciating boss battles, but there's nothing sweeter than the satisfaction of overcoming them. Which boss fights have given you grief? Share your memorable conquests!