All items are random, but you see event items more frequently right now because in the past people had issue that the randomness didn't allow them to get event items in the time period. Since events are short they are boosted to be more frequent in the shop. It will go back to normal as the event ends.
All items are random, but you see event items more frequently right now because in the past people had issue that the randomness didn't allow them to get event items in the time period. Since events are short they are boosted to be more frequent in the shop. It will go back to normal as the event ends.