Players can gain more than 2500 ranking points – cups by winning duels.
Winning duels will let players gain more cups. What's important, every 2 weeks all players who have more than 2500 points will have their points set back to 2500. Then, any surplus of points above that number will be divided by 2 and the result will be added to their Legendary Trophies Points. For example, if a player finishes a season with 2600 points, he will receive 50 Legendary Trophies points as a result of the surplus of 100 points being divided by 2 which equals 50.
Your current Legendary Trophies Points can be viewed on your Profile.
There are currently no special rewards for gaining Legendary trophies.