Issur Usher or Issur of the House of Usher is the weaponsmith of the city of Shapeir. He is misogynistic and very sexist, focused entirely on brute strength. He is an international arm wrestling champion and is a high-ranking member of the Eternal Order of Fighters.
- Dinarzad, who considers Issur to be an enemy, coerced the heroic thief into stealing the Centimes and Dinars out of the Issur's Weapon Shop.
- Issur initiated the heroic Fighter into the Eternal Order of Fighters with the help of Walid.
Issur is a character in Quest for Glory II: Trial by Fire.