• cha-ching (from this video): apply a level of damage(not the number of damage) beetween 0 and 8.

• ba-da-boom: this is a item that make a gigantic explosion, at the cost... of... your life(you die).

• Flame Laser: this shoot a laser BUT this will not make any damage, if ou want to make damage you need to target an entity for long enough to charge it and shoot a deadly laser.

• peace flower: this spécial flower can be craft by droping a diamond on a poppy, when place, the flower will place a "peace center" and no violence in a 10 bloc area gonna be allow, unless you kill the peace center

• Divin Totem: this is very expensive and required 4 netherite ingots and golden apple, and 1 nether star, when use, thunder and the night will appear and lighting will shock every entites within 50 bloc. Then, the real fun begin: You now have god power and can do what ever you want for 5 minutes.

• Poisonous Bomb: this bomb gona give very unplaisant effect to anyone steping into the zone!

• katana: A very fast sword wich you can dash with it !

• Multi dimension sword: this sword change texture and capacity when you switch dimension, his effect ? I can't tell you ;)

• the Tiny enchantment: be tiny !!!, this enchantment can be obtened in the enchanting table.

Some of those crafts needs a press like this:

• Compressed Iron: This will be use for the Katana

  

• Katana:

  

• Compressed Magma block:

  

• Flame Laser:

  

• Ice Staff:

  

• Sculk staff:

• Cha-Ching:

• Stone Hammer:

• Ba-da-boom:

• Poisonous Bomb: For this one you need a cauldron full of water and trow a spider eye.

• Multi Dimension Sword:

  

• Divin Totem:

  

• Peace Flower: For this you need to trow A diamond on to a poppy.

  

First, launch Minecraft 1.21.3. Then, create a new world, then, go to the More>Data Pack Now you can put the datapack here.

If you want to apply this on a old world you need to select the world, and click "edit", then click on "open forlder" now you can open the "datapack" folder to put the datapack in there.