Idle Heroes Christmas 2024 Event. As you can see, you can buy the 10k gem box whenever you want, without missing. Make sure to check out u/aknilox weekly events.

During the event, idlers can get 1 wish chance from the christmas tree every day, lasting for 7 days. The 1st stocking will give you 3 snowballs, 500 diamonds and 5 heroic summon scroll.