John saw that James was in trouble and shouted out "Not on my watch" as he seen the mask come up. He had a hazy idea what the mask was for but wished not to find out. He took his lightsaber from his belt with his right had and threw it end over end at the hand with the mask. the beast most likely not able to dodge it and if it was he had already taken out his L85 and was lining up for the shot.