Also that brief bit in solution nine with the people that are afflicted with a sickness due to lightning; didn't we have the end of SHB and a first portion of EW dedicated to Alisaie discovering a way to undo the effects of those that have had a little too much elemental juice? It just seemed really out of place or out of character not to have any of the twins go "Hey, that sounds like tempering. We can fix that!" And was conveniently glossed over for plot