Speaking of pvp, does it only search for players that are online and also searching for battle? Especially in soft launch, this makes it hard to find a match to even be able to play the game. Even more so if you only get to play in the game's off hours.

And for the chest unlock system, what about a queue? As in, you can choose the order they open in and will start on the next once one is finished.

Chick wars has similar system, but it feels better since the chests all count down at the same time.