Croatian tribes were like other Slavs polytheists - pagans. Epona is also worshipped today by neo-druids and other pagans and polytheists. ISIL views Shia Muslims as polytheists and heretics. Both genders cannot marry nonbelievers or polytheists. Some Thelemites are polytheists or henotheists, while others are atheists, agnostics, or apatheists. The Incas were polytheists who worshipped many gods. Its inhabitants were polytheists and worshipped many gods. Other polytheists can be kathenotheists, worshiping different deities at different times. It was revealed in Mecca when the Muslims were persecuted by the polytheists of Mecca. Although the Neoplatonists are considered polytheists, they embraced a form of monism. For hard polytheists, gods are individual and not only different names for the same being. The Sui are mainly polytheists and practice ancestor worship as well. However, "Surat at-Tawbah" begins with an ultimatum to certain polytheists in Arabia. The followers of Muhammad were initially few in number, and experienced hostility from Meccan polytheists. Under this doctrine, Arab polytheists were forced to choose between conversion and death.