Round 4 of Ethan Vs Cole Nerf Blaster battle has begun! Ethan starts the attack with a Zombie Nerf gun. Then the boys move on to Nerf Elite. And finish it with a .brEthan has started a huge Nerf Rival battle! He is bored, and decides to attack the whole family with his Nerf Rival Khaos. Some items go missing, and Ethan .brI made the Worlds Largest Nerf Gun Air Cannon! #Nerf (The Ultimate Nerf War Master Gun) Previous Nerf Video (Ultimate Nerf War): .brThe boys are at it with the Nerf guns again. This time its with the Nerf Hail-Fire and a giant bubble escape pod. Coles Nerf gun isnt quite as big as Ethans.