The Foundry, located directly under the Green Lantern Corps Central Battery, is where the Guardians of the Universe forged the Green Lantern rings, as well as creating the Manhunters. From – Emerald Warriors #9 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Like this:Like Loading… Post navigation War Of The Green Lanterns (Emerald Warriors #9) John Stewart Feels Guilty About Killing Mogo