Reduced the 2x Reward Procs on Supreme Ultimus challenge requirements from 35 to 25.
Changed the description of the “Purchase all Leaderboard Icons” challenge to just "Purchase Leaderboard Icons" because you don't need all of them (just 110 out of 114).
Changed the server save/load system to avoid future issues related to file sizes and server limits.
Bug Fixes:
Fixed bug with the average super/ultra energy calculations. This should boost most of your energy gains from skills, spells, mimics, and power mages (but wave income is not affected).
Fixed bug with skill cooldowns increasing, rather than decreasing, if your synergy or milestone bonuses were too high.
Fixed bug where the 10m kills on all melee heroes challenge was not applying the +250% bonus damage reward correctly.
Fixed bug where the Mimic Prestige Bonus from the new leaderboard icon was not applying the bonus correctly.
Fixed bug where your best Immortal Boss damage was not tracked correctly if you went down a league.
Fixed various other minor issues related to the new Challenges.