How do you beat mission 66 in Kingdom Hearts 358 2 days

first run to Halloween town square then defeat all the tenta claws then go to the graveyard then go to boneyard 1 which is through the coffin in the graveyard then when your in the moonlight hill defeat the tenta claws then go over to the ladder and it will bring you to suspension bridge then go the manor ruins and to defeat the leechgrave hit the thing that looks like a coffin then go RTC.