The Perforator Cyst is a rare Pre-Hardmode stationary enemy that spawns in The Crimson biome. When killed, it will summon The Perforators. The Perforator Cyst has abnormally high life for Pre-Hardmode, ensuring that early players won't accidentally summon the boss. It is the Crimson counterpart to the Hive Cyst.
The Perforator Cyst can be detected by the Lifeform Analyzer and its upgrades.
- The Perforators will spawn directly where the Perforator Cyst was after killing it, which means that unprepared players might be taken by surprise.
- Despite being classified as an enemy, minions will not attack the cyst, exactly like with the Hive Cyst. This is to prevent players who use summon weapons from accidentally spawning the Perforators.
- Perforator Cysts spawn three times as often after defeating the Eater of Worlds or Brain of Cthulhu if The Perforators have not been defeated yet.
- Additionally, spawn rates are reduced by 90% in Hardmode.