Some modern scholars ascribe the story of the "Oath of Heraclius" to the realm of legend, doubting that Heraclius ever made such a promise, or else view his alleged reluctance to break the oath as a product of later apologists.
Some modern scholars consider the "Oath of Heraclius" to be a myth, questioning whether Heraclius actually made such a pledge or if his alleged reluctance to break it was a fabrication by later writers.