Hello dear Black Desert Online users.  I reached to 58 level 4-5 months before but i was playing for 7 days because i could not buy black desert online. If a "Reach 56 level to play black desert online for free" event is happen can i play black desert online for free ? So do i need to create a new account ? 
Im so sorry for my bad english.

You need an active trial account to participate in such an event.
So if your account already expired, you can't get the game with this account!