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The inactive (searching) and active (detected) sprites.
|Spawn Time|| (Hard Mode)|
|Spawn Area||Surface (Anywhere)|
Regardless of where the Probe is encountered, the invasion (like other invasion events) will always take place around the town NPCs/original spawn point.
- Martian Probes will typically not spawn within the inner two-thirds of the map. This makes the Space layer and the Ocean biome the ideal locations for trying to find them.
- For faster results, Battle Potions and a Water Candle can be used.
- Spawn rates are increased during a Blood Moon or Solar Eclipse, as well as increased spawning chance in the space layer.
- Once a probe is discovered, the event can be triggered by allowing the probe to "scan" the player and fly away. The probe's beam will turn from green to red once it has detected the player.
- Added to the game.