If you were affected by the Grade Reset Bloodpoints not being awarded properly, you will receive any missing Bloodpoints shortly. You may need to restart your game for the rewards to appear. Thank you for your patience!

I lost all my progress

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So I just saw the update on iOS, but after I entered the game I had problems opening it and it started from 0, that is, I opened it and it started with the tutorial, I lost all my progress out of nowhere and I don't know what to do to recover it my account, i need help