Just beat it. It's really easy with double Kiris. Just kill the two crystals at the same time. Make sure the boss doesn't have debuff immune still and then sub the 2nd Kiris in and double poison stacks rips her up. If you need a friend Kiris you can add me. Jono1 is my ign.Wow. 10-10 whooped my ass. Going to assume that I need to level up and farm a bit before that's going to happen.