I am well aware of some account's characters were deleted not so long ago, but maybe there is a tiny bit of hope for my char. When I enter realm list, it shows (1) character , but when I enter , there are none. Tried character restoration service but it's just empty.
Is there a way to restore my character Ochevduh or Ocevduh can't recall correctly , or I must level up a new one?
If you don't have anything on the character list, then the character is gone. Either deleted by the system (Inactivity cleanup) or by a player.
Character restoration can be performed on player deleted characters within a certain time period. https://www.warmane.com/account/services