Adds Demonic Tools And Armor and the stuff to make it. Right-click with the sword in your hand to spawn fire on your cursor.
You can repair the sword with a Demonic Block.
You can repair the Tools with a Reinforced Demonic Ingot.
The ore only spawns in the nether.
Crafting recipes are here
It's pretty rare, however, the sword does 152 damage, as stated below.
You're welcome to put this in a Modpack, just link this page.
Sword Stats:
Attack Speed = 5
Enchantability = 30
Attack Damage = 152
Number Of Uses = 10000 (Tell me if that's too OP(in comments), cuz I don't know the max number of uses for a diamond sword as a base).