Element of Darkness - material, one of the twelve Elements, which you can get by killing enemies. You don't need any requirements to obtain them.
Obtained from[]
- Nymph (5)
- Tim (5)
- Mimics (10)
- Corruption and Crimson Pigrons (10)
- Dark Mage (10)
- Ogre (10)
- Colossus (8-12)
- Goblin Summoner (15)
- Rainbow Slime (25)
- Rune Wizard (25)
- Paladin (25)
- Corrupt and Crimson Mimic(25)
- King Slime (70-90)
- Eye of Cthulhu(80-120)
- Eater of Worlds (140-160)
- Brain of Cthulhu (140-160)
- Skeletron (175-225)
- Betsy (190-210)
- Wall of Flesh (270-330)