Fargo's Mod/Primal Control Chip

"A sickly chill envelops the world!"

The Primal Control Chip is a boss summoning item. Upon usage it will summon 10 Skeletron Primes per Primal Control Chip in the stack, after which the entire stack is then consumed.

If 10 Primal Control Chips were used in the stack, completing the swarm rewards the player with a.