The Hive Cyst is a rare Pre-Hardmode stationary enemy that spawns in The Corruption biome. When killed, it will summon The Hive Mind. The Hive Cyst has abnormally high life for Pre-Hardmode, ensuring that early players won't accidentally summon the boss. It is the Corruption counterpart to the Perforator Cyst.
The Hive Cyst can be detected by the Lifeform Analyzer and its upgrades.
- The Hive Mind will spawn directly where the Hive 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 Perforator Cyst. This is to prevent players who use summon weapons from accidentally spawning the Hive Mind.
- Hive Cysts spawn three times as often after defeating the Eater of Worlds or Brain of Cthulhu if The Hive Mind has not been defeated yet.
- Additionally, spawn rates are reduced by 90% in Hardmode.