Rubium Tech Upgrade
Unlocks the ability to work with Impervium, an alloy made of Rubium and coal.
Removed: No Longer Available
Rubium Tech Upgrade was removed from the game files, and is no longer obtainable.
It was included as placeholder content during early access, and replaced before full release
Rubium Tech Upgrade was a tech upgrade item that allowed the player to craft Tier 10 items of Impervium.
Crafting the Rubium Tech Upgrade required a Robotic Crafting Table and 40 Refined Rubium. It was removed in beta update Upbeat Giraffe with changes to progression development.