Imperial 2 is a steampunk / medieval techtree for MegaGlest. It includes the Imperial faction and Warlords Factions. The previous Imperial (1) tech tree is also available, but it's older and less cool!
Full Imperial Tech Tree for MegaGlest. Includes TECH and MAGIC factions. Unzip in the Techs folder of MegaGlest (alongside MegaPack).