I've just about just entered Azteca. I'm level 85, Myth, and using Waterworks from head to toe. My critical rate is 20% about, and my boost is 58%. Fortunately, unlike Avalon, I haven't died in a fight so far. Yet, I feel like I'm missing something. I'm still using an Azteca fire wand, and indiscriminate athames and rings. I heard from one of my friends that your boost should be above 75%- something I hadn't even considered. It would also be nice to have something like that, and I didn't care, however battles are taking longer and longer. So, I'm starting to really wonder what I'm missing.
Also, my deck could really use some updating. I'm mainly using medusa + blading and aura'ing strategies, and for minions I use a Humongofrog, blades, and sun spells. This is effective, but it still takes a while. I'm open to any tips!