Balanced creature's stats.
Changed some creature's skill effects.
Change how Tara's shop initial creature count.
Change how Tara's shop pick creatures to refresh.
Now gems can also be socketed while equiped.
Fix Ant nest's drop will freeze game's bug.
Change snowfield's unlock level to Lv.35
Change Arena's UI
Now Arena's level depends on challenge hisory,
not based on current challenger's level.
Balanced Arena rewards.
Balanced star challenge's level.
Star keys has been removed.
Star level now has cool down.
Star of Hope can be craft to increase star challenge's level.