I have paused Game of Thrones so please note the importance of the cause. Alright, let's begin.   1. Speed tiers   Rhydon defines the speed tiers in UU, making it insanely centralizing around it. Every single poke that is able to, has to sacrifice either bulk or offense for speed, to outspeed Rhydon that potentially could OHKO it. That's how it happened in previous meta where Rhydons were everywhere. Flareons did not run 102 speed without reason, a lof of other pokes did that as well and we