Galdrastafir. These are very ancient pagan symbols used by the vikings, mostly in battle on on their ships. In ancient times they would be drawn using blood. The vikings were fearless warriors. To help you in your magical workings and spell casting, carve the symbol you need into a candle, draw it on paper, paint it on your walls but do keep them in a place were you will see the symbol often in order for it to be most effective, they also make very popular tattoos.