How to Construct King Slime

You probably know what king slime is if you love kids’ animation. King Slime is a pre-Hardmode boss with the appearance of a giant. A blue slime with what seems to be a ninja inside of him is wearing a golden crown with jewels. King slimes are the fastest and most powerful type of slime. They have a very high defense and a very thick body. According to Fandom, King Slime will spawn if players, lava, and traps kill 150 slimes and summon minions during the Slime Rain event. Now, how do you make this powerful slime at home? Read on to learn more!

Things You Need to Make King Slime

The King Slime is a slime monster found in the game Terraria. This monster has to be defeated before you can reach the Terrarian underworld. To make King Slime, you will need to have the following:

  • White or Clear PVA School Glue
  • Water
  • A king’s crown (size depends on the size of your slime)
  • A slime catalyst (must have a form of Borax, sodium borate, or boric acid)
  • A toy ninja
  • Shaving Foam
  • Food coloring, glitter, confetti, and other fun mix-ins

Procedure 1

To make slime, follow the following steps:

  • Mix 1 oz. of glue (roughly 1/4 of the glue bottle) with 1/4 cup water in a single bowl. To the mixture of glue and water, add food coloring. To make colored slime with the stir stick, remove a small amount of the solution from the container and observe what happens.
  • Add a quarter cup of liquid Borax to the glue and water mixture and stir gradually.
  • Immediately, the slime will start to form. With the stir stick, scoop up some of the mixtures and note how the consistency has altered since

Step 1

  • Stir as much as possible, then get your hands dirty and knead until it becomes less sticky. Although this process is messy, it is essential for the complete bonding of the two compounds. Pour out any remaining water in the bowl and place your ninja inside without worrying.
  • Decorate your slime with the king’s crown
  • The slime should be kept in the refrigerator in a plastic bag when not in use to prevent mold growth.

Procedure 2

  • PVA (polyvinyl alcohol)
  • Borax (Sodium tetraborate)
  • A king’s crown (size depends on the size of your slime)
  • a beaker or a jar
  • A toy ninja
  • Food coloring (optional)


  • In a beaker, jar, or bowl, pour half a cup of the polyvinyl alcohol (PVA) solution. If you want colored slime, mix food coloring into the PVA solution and stir with a stick.
  • Stir gently as you add two teaspoons of the Sodium Tetraborate (Borax) solution to the PVA solution.
  • Take note of what happens when you lift part of the solutions with the stir stick. Play with the slime once it has formed. Just avoid eating it!
  • Decorate your slime with the king’s crown.
  • If you store your slime in the refrigerator and seal it in a plastic bag, it will last longer and not dry out or mold.

It is important to follow these simple steps correctly to make slime!

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