You can play the Ghostly Graves for FREE once per day but the prizes during the Ghostly Graves event are different. Find the grave with Tremble the ghost Bolimo inside during Maraween and you'll win a random ghost themed item from the Prize List. Even if you pick the grave without Tremble in, you'll win MP!
It finishes Nov 1st? So basically we only get 4 chances to get a 1 in 4 chance at any of those prizes? Statistically each player will only win once, so
sorry to complain but that seems pointless…