Collapsed Star Chunk

is a material found on Mid Planets. It may be purchased from Mr. Vendroids and has a chance of dropping from Tech Hunters. is an extremely rare item used to craft the Artifact Decrypter.

Harvest Strategies
The drops from Tech Hunter's level 35+ on Mid Planets but this is extremely rare. It is a lot easier to purchase these from Mr. Vendroid's.

To find a Mr. Vendroid with, head to a Mid Planet. Check each Mr. Vendroid you can find. Observed costs range from 30 - 99 Element-X.