The Zen Potion is a craftable Pre-Hardmode buff potion. It grants the Zen buff, which reduces enemy spawn rates by 60% and maximum spawn count by 70%. It is also used in the crafting of the Tranquility Candle.
- The Zen Potion is the exact opposite of the Zerg Potion, which greatly increases enemy spawn rate.
- The appearance of the Zen Potion is based off the Yin Yang, a traditional chinese symbol.