Analyzing 1500 games played by the top 136 Sion players worldwide
over the last 7 days. The average rank of the top Sion's was Diamond IV.
Taking into account win rate and summoner rank Sion is ranked 82 amongst all champions
in the hands of an expert.
A minimum of 50 ranked games on Sion and Diamond Rank and above is what is required to be on the list. Rankings take in consideration win rate, current rank and number of games played on the champion.