be merciful. In  2004 , an earthquake further damaged the already crumbling walls of the fort. Commanders (1090-1256) Hassan-i Sabbāh حسن صباح Hassan-i Sabbāh  ( Persian :  حسن صباح ,  Arabic :  حسن الصباح ‎  Hassan aṣ-Ṣabbāḥ ,  Hasan ibn Sabbah ,  Hassan Ben Sabbah . 1050s-1124) was a Persian  Nizārī