What Anime Fight Made You Stop And Say “Holy Sh*t”?

What are the anime fights that actually gave you goosebumps?

Not just good animation, but fights that made you sit up and think “damn… this is insane.”

I recently made a list of my Top 10 Anime Fights That Gave Fans Goosebumps, and while editing it I realized how many legendary fights there actually are.

Now I’m curious — what fights would definitely make your list?