 However, Herodotus is the only ancient author who explicitly states that the Getae had only one divinity.The sending of a messenger to Zalmoxis and the fact that Getae shot arrows towards the sky have prompted some authors to believe Zalmoxis was a sky god, but his journey into a cavern has led others to suggest that he was a chthonic divinity.A third group of scholars believe that the Getae, like other Indo-European peoples, were polytheistic.