How long does arena reward delivery take?

[Loverboy-]

I've made it to 44m point in arena which will be rewarded with the commander name "Undead Crustaean", but i still haven't got the character being sent to my account. My question is, how long does it take for the items to be sent to your account? Thank you in advance.

[Karin]

Please play a couple of arena matches, restart the game and possibly wait up to 24 hours. You will see the commander as an emblem you can research.