It's a part of our Activity Points system;
For every day you actively play in the game (minimum 3 hours and 500k exp), you will receive a free Lucky Box! The more days you play in a row, the greater the rewards:
Every day you will receive a lucky box.
+ One box of cosmetics every 3 days.
+ 1 AP Shield every 7 days.
+ 100 coins every 10 days.
You are also getting bonuses from EXP (+10% per day) up to +100% (after 10 days).
