At high levels they gain Increase Useless, putting them into the dear category of ‘If this a single survives, all of us survive’. Starting to Assume that we won’t get that expanded lore we ended up hoping for, but probably we just need to look in the Warforged racial abilities. https://beckettrojga.bloggazza.com/27555778/not-known-facts-about-halfling-dnd-5e