I need a anniversary gift for my boyfriend help!?

I have gotten him this in the past 3 years a watch,video games,swords,flask,shoes,clothes... I want it to be special and we can't go on a trip because we will be going to his parents house two days after our anniversary which they live out of town anyways, he is into dragons, video games, rock music i just don't know. and I have a week to find it.