The Zulfiqar sword is engraved with Arabic Calligraphy that translates to:

"There is no hero like Ali; There is no sword like Zulfiqar"

1. Zulfiqar in Arabic translates to "Cleaver of the spine" - It was the only sword at the time that had double edges
2. It was gifted to Imam Ali by Prophet Muhammad (SWT)
3. It is said the scripture engraved on the sword was being chanted by the angles during the battle of Ahud, Badr and Khandaq