0 0 0ALL THIS HAPPENS IN THE BOZAK CHALLENGE:All this can be done in the parking garage part.You may need some luck to get the arrows early.-Get some arrows from zombies you killed.-Now kill 10 Virals with your bow and arrows. Virals are the fast running zombies you find early in the parking garage with orange clothes.didn't get it? Repeat!I'm typing this after getting the achievement. This is the way!
0 0 0Kill 10 virals with your bow and you shall unlock electric arrows.The achievement will pop up right after you kill 10 virals which also means you have unlocked the electric arrows. You can quit anytime, unless you want to get other challenges done.