Tutor's 390-grade Northern Split Gemstone Processing-(corresponding to Northern Split Gemstone X1) [390-41425-440] (Sapphire/Blood Ruby/Emerald/Topaz/Qiu Shi/Twilight Opal) 425-450 Tutor's 420. -35[420-440-450-460] Dida Fortress Besieged Diamond/Tian Yan Dida Fortress Besieged Diamond-(Dark Jade x 1 Giant Topaz x 1 Eternal Fire X 1) [425-435-440-445] [430-440-445-450]< 1 The difficulty lies in the emerald of the dream emblem and the Titan ingot-(emerald x 1 Titan ingot x 1 dream crack x1) [420-440-450]