So I created an account just so I could pose this questions to everyone. Be warned, Oathbringer spoilers here! ---- We now have scenes from Oathbringer (as well as WoB) demonstrating the use of one type of investiture to fuel a different off world sub-type of magic (ex. Szeth using stormlight to fuel Nightblood rather than breath). Now that Hoid is Knight Radiant in addition to a fully powered lerasium mistborn what sort of effect would stormlight have fueling allomancy? We see Kaladain receive a renewing supply of energy flying at the front of the everstorm and Szeth able to unleash the full effects of Nightblood without having to utilize biochromatic breath. Would stormlight act as a "metal supply" for Hoid? And if so, would it also potentially fuel him with an "atium reserve", possibly even a renewing one if he was near the everstorm? Conversely what sort of effect would metal vials have fueling surgebinding?