DARK SOULS™ III https://store.playstation.com/#!/en-us/tid=CUSA03388_00 ... https://www.youtube.com/watch?v=HptTX31-6y4

Use the recipe Seasoned Midgardsormr before this fight, skip to the end of the video to see my equipment loadout. I also equip the Key of Prosperity. The key thing is to keep warp striking him with the Ragnarok sword, and get a lot of counters to build up the armiger gauge (i used the armiger boost accessory), then unleash the armiger attacks while targeting his head. Seems to take about 1/4 of his health before the horn breaks. If you get good, you can break it in a few minutes, then run away and repeat till you get the rare wind-up lord vexxos. Took about 3 tries to get it, but it's a rare drop so you might not be so lucky. I've collected two so far, and am working on getting at least 6-8 before this hunt is over (hopefully). ... https://www.youtube.com/watch?v=KM7AYWH13TI