In version 1.0, I add 3 material.

Black Hole

This is the mian material of the addon.

Recipe

Dark Stone and Dark Shard

These is the main material of the addon.

Dark Stone

When you mine this block, it can drop its self and dark shard.

Warning: When you mine this block, it has 1/10 probability summon a black hole block!

Recipes

Dark Stone

Dark Shard

Black Hole String

This is a material of this addon.

Recipe

Next, I add 5 weapon.

Black Hole Battle Sword

This sword has 105 damage and 698532 durability. It also can give you +20 health and +0.1 speed. This sword can be repaired by Black Hole.

Recipe

Black Hole Bow

When you shot the arrow, it will teleport the mob in 12 blocks (except players) and make a 5 levels explode.

Recipe

Black Hole Blowgun

When you shot the arrow, it will teleport the mob in 12 blocks (except players) and make a 6 levels explode. 

Recipe

Black Hole Slingshot

When you shot the pebble, it will teleport the mob in 12 blocks (except players) and make a 3 levels explode.

Recipe

Black Hole Bomb

When you throw it, it will teleport the mob in 12 blocks (except players) and make a 5 levels explode and fire.

Recipe

Then, I add 2 necklace.

Dark Necklace

This necklace allow you to fly.

Recipe

Black Hole Necklace

This necklace allow you to fly and give you resistance and instant health effect.

Recipe

I also add a seed and its drop.

Black Hole Seed

This seed has 6 levels to grow and this seed can only plant on Dark Stone.

Recipe

Last, I add 8 blocks

Black Hole Glass

This is a decorate and material block.

Recipe

Speeder

When you step on this block, your speed will become 0.9.

Recipe

Slower

When you step on this block, your speed will become 0.1.

Recipe

*0.9 is faster than your normal speed and 0.1 is slower than your normal speed.

Black Hole Trap

When you or the mob step on this block, the mob (except players) in 8 blocks will teleport to this block and they will have a wither effect.

Recipe

Black Hole Trap (Second)

Every second, the mob (except players) in 8 blocks will teleport to this block and they will have a wither effect.

Recipe

Black Hole Trap (Poison)

When you or the mob step on this block, the mob (except players) in 8 blocks will teleport to this block and they will have a poison effect.

Recipe

Black Hole Trap (Second-Poison)

Every second, the mob (except players) in 8 blocks will teleport to this block and they will have a poison effect.

Recipe

I add 2 function.

/function all_things

/function credit

Ok, these is all things of my first addon, hope you can like it 😊

If you find bugs, please tell me in the command and sorry for my poor English.