Hope you like the following 2moons guide which selected from the other website by me, but it's not my work, 2moons-dil just give it a summary. Hope it can help you some.
Crespo B Dungeon: You are going to be doing Crespo B Fast Runs from Levels(2moons gold) 60 - 78. When Under Level 74, you really only have Blood Bats, Summon Ghost and Blade Dance for AOEs. When it comes to Pulling Levers just Start with a Summon Ghost so by the time it hits the Mobs and they React to Start Attacking you, jyou should have switched to Twin Blades and then Cast Blade Dance.
By now with your Party's Help they should be dead, if not use a Blood Bats for HP(2moons dil) and a Devil Swing if you want. For Coffin Parts Start by either Breaking the Coffins for your Party with Blood Bats so you have some HP help, if not just Start with Blood Bats anyways, then Follow up with a Summon Ghost.
Then use Blade Dance because by now a CF should be up from your Seg or if not your Team Should be KBing the Monsters. If you are over Level 74 its pretty simple and we don't think we need to explain it since you should be doing ok.
Crespo A Dungeon: You probably shouldn't be Starting Crespo A Fast Runs until Level 78-80 Range and you can Keep doing Crespo A Fast Runs about around Level 85/86 the Exp. isn't that great. For the Most Part Keep the Strategy for Levers the same as the above from Crespo B.
But instead of using Blood Bats use Poison Sword First, and then any Blade Dance and then Staff AOEs. Same thing applies to Coffins so you help, but don't get jumped and DIE right away and when the Mob is being KBed you can use AOEs to help kill fast.
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