For Minecraft version 1.8 and older...
What does it do?
You can use Flame-based weapons that regenerate when used in survival mode!
You have special abilities, such as melting ice, and fire resistance!
You have an optional outfit that you can wear if you want.
Copy the Command -Here- from pastebin, put it in a command block, then power it!
From there, everything is straightforward, as long as you read the signs and Lore for the items!