Rubies are red, small and square in appearance. They distinctively radiant with a slight red luminescence under the lack of direct sunlight.
Where Found
Rubies are naturally found in the cavernous networks and underground regions of the Blockheads world. They are typically surrounded by hard rock, such as stone. Occasionally, they can be found underwater in a subterranean confined or perched aquifer.
Portal Upgrade
Rubies are needed to upgrade a Blockhead's portal to a ruby portal, allowing a Blockhead to craft a ruby pickaxe.