So here is How I magnetized all my runewars minis.
Materials;
Magnets 1/16x1/16 inch disc magnets https://www.kjmagnetics.com/proddetail.asp?prod=D11-N52 and 3/16x1/32 inch magnets for extra reinforcement for the large models... https://www.kjmagnetics.com/proddetail.asp?prod=D301
steel discs https://www.etsy.com/transaction/1259171803
any type of super glue, I used gorilla glue https://www.amazon.com/Gorilla-Super-Glue-15-g/dp/B001IY82FM/ref=sr_1_2?ie=UTF8&qid=1491052416&sr=8-2&keywords=gorilla+glue
and here is the guide!