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Do you have access to data about the most commonly used moves/sets for the top mons? One thing that I find really interesting about this tier is the diversity in opinions on the best sets and what should be considered standard. I think this information would be really helpful for both...
Reading comprehension is a beautiful thing lol. One option to patch up the fire weakness is Dragonair, who has a ton of support options. Kingler would really appreciate the paralysis and screen support that Dragonair gives and you can also give it haze to free up a slot for a coverage move on...