The Proton Pack is an item that can be bought from the Goblin Tinkerer after Skeletron has been defeated, or from the Ghostbuster at anytime; at the price of 4 
. It's thrown like a bomb, and is extremely effective against ghost-type enemies.
Stats[]
- 10 damage
- 350 damage (Ghost enemies)
- Tooltip "Who you gonna call?"
Ghost Enemies[]
- Ghost
- Wraith
- Reaper
- Dungeon Spirit
- Crystal Ghost
- Cursed Ghost
- Reaped Spirit