Crafting recipe:
10 Diamond
25 Gunpowder
12 Firework Rocket
6 Iron Ingot

Throw them all to the ground to craft
How to use:
put the fireworks in the offhand and use the crossbow to shoot, you will enter the shape of the firework and can control it to move in your direction, you will have 30 seconds to control the fireworks, after 30 seconds if it doesn't touch on the target will automatically explode and you will be teleported to the location where you set off the fireworks