The Royal Crimson Greatsword is a warrior weapon in Dungeon Quest. It specializes in physical power, having a base average of 16,300. The Royal Crimson Greatsword can be upgraded with gold to improve its damage and spell power. It can be sold for a minimum of 325,000 gold, and requires players to be at least level 81 to equip it. The Royal Crimson Greatsword can be obtained from The Underworld dungeon on Insane difficulty, and is the best warrior weapon from said difficulty.