There are several mobs that needs taken down, such as Flying Mobs, Water Mobs, Mobs, Bosses. The mission could be made easier with FireBalls for Players.
- Download and run the latest version of Minecraft Forge
- Go to Start Menu > Type %appdata%/.minecraft/mods
- Download the mod
- Move the downloaded Jar (zip) file into the “mods” folder
- Done and Enjoy the mod.