Hephaestus longed to come back to Olympus, which he knew to be his home by right, but he was aware that he could not do so without bitterness or on proper terms unless he allowed himself one measured act of revenge, which would prove his strength of personality, his right to divinity, and serve as his calling card to heaven. So, as Hephaestus learned his trade and worked his bellows, his quick and clever mind devised the plan that his quick and clever fingers would turn into startling reality.