Is Hem Allergy Really a Hemallurgy?

Hem allergic is really the biggest area where we got a lot of advancement in this book. Trown's scientists are able to sort of incrementally make a hem allergic spike and they do this by threading the spike through somebody. So not like jamming it straight in like you would with a nail and a hammer but instead more like a sewing situation. The benefit is that the investiture donor in this case is left alive.