Hi!
As you may have already thinked of, the guide is about how to defeat one of the strongest enemy's in terraria: the GREEN SLIME!

Well.. You want to be prepared, right? So you need the statistics of the strong enemy to be aware of the danger:

Maybe your question is now

Originally posted by you:

Well.. What gearing I have to have to defeat the stupid slime?!

So, as you know, the green slime is an smart and strong creature..
You will probably need some good stuff.. Here's a list of stuff you need:

• Last prism (or mod weapon with same strength)
  
• Solar pants and chestplate (or mod weapon with same strength)
  
• Full mana bar
  
• King slime mask
  
• Green paint of your choice (equipped on helmet slot)
  
• Skill and attention

If you have the needed stuff mentioned, you are actually almost ready to fight!
But you need one more thing: Strategy!

First of all you have to take the last prism and put onto the first hotbar slot and press 1.
If you're done, it should look something like this:






If you see the enemy, instantly drag your cursor onto it and quickly press AND hold down the left mousekey (Assuming you have a mouse).

Also, I am not responsible for damage like this or similar: