- Target
- Your Planet
- Send
- No
- Share
- No
- Scrap
- 4 - 8 CTP
- Use cost
- 555
Aethercron Hold
Unextractable Structure: This artifact (in structure form) can NOT be extracted from a planet using a Mylarai Build Extractor.
Care should be taken when using this artifact to ensure that you are using it effectively.

[ Planet Structure - Size:1, Artifact:1, Research:3, Defense:+22% ]
Also boosts the planet's artifact production by 6%.
Colony Age must be less than 1 week,
and cannot have been attacked within a year. Limit 1
— In-game description
Acquisition
Created in the Collective Theory Lab.
- Formula
- 700 Time Manipulators
- 700 Planetary Time Vortexes
- 700 Repair Nanodrones
- 5,555
You have successfully executed the Aethercron Hold design
Structure
The Aethercron Hold has been constructed on the planet.
- Aethercron Hold
- Size: 1
- Artifact: 1
- Artifact Bonus: 6%
- Research: 3
- Defense Bonus: 22%
- Limit: 1