From Terraria Wiki
|Bonus|| Shows the location of enemies
5 minute duration
- This potion is very useful when fighting the Eater of Worlds or any other worm enemy, as you can see where they are coming from and dodge their attack/plan your attack.
- It can be used to discover caverns while mining by looking for enemies.
- It is useful to note that it can be used to find bound NPCs that need to be rescued.
- It is useful in finding the small and rare enemies which drop dye materials such as the Cyan Beetle.
- Hunter potions can also be used to find mimics in hard mode.