Assassinsball

Assassinball (also under the spelling of Hashashinball) were an Islamic sect, known for murdering political powers and smoking hashish. They're mostly known today due to videogames like Assassin's Creed or Crusader Kings. Historically, they also held fortresses, after submitting to the ruler of the neighbouring lands. In 1275 they were destroyed by the Ilkhanate. He is well-known for assassinating the Great Seljuk.