The upgrade on the Large Animal Barn becomes available after you’ve completed Doc Jr’s request to get the coveted and rare material Adamantite, as well as the other House and furniture inventions, ...
Transform items in Shimmer for powerful and permanently beneficial upgrades, like increased mining speed and fishing power.
You can get the following from your GC Quartermaster, as long as you’re a Second Lieutenant: 4 Adamantite Francesca (5,000 GC seals each) 4 Titanium Alloy Mirror (5,000 GC seals each ...