How about setting up an atomic explosion in Minecraft? The Atomic Explosion mod will help you with this because a rocket launcher will appear in the game that will shoot atomic missiles.
Atomic Explosion Mod for Minecraft 1.16.3/1.16.2
But do not forget that you should stay away from the point of impact of the shot. Since the damage is incredibly high and a large hole of thousands of blocks will form around the impact site.