You need this to succesfully open the door in Davoi so that you can get the Magicite for the Rank 5 mission. It's attained by trading a slice of Coeurl Meat to the boy standing outside the house across from the Chocobo Stables in Upper Jeuno. He'll take you to a cutscene inside the house, and you'll wind up with a Crest of Davoi for your troubles.
You get this by trading Correl (spelling?) Meat to the little elf boy in Upper Jeuno. He is the one standing in front of the door that i believe says it's locked.
nope, you need the crest of davoi to pass through the "magical" wall in davoi to get that section's magicite. the charm you need is, i believe, a quadav charm that you get in beadeuox; or however you spell it, from killing a certain type of quadav. you also need a quadav shell of some sort. but you definately need the crest of davoi!!!
its ironic actually, the qudav charm gives you an item to go deeper into one of the other areas, i believe for castle oztroja, witch is yet another part of rank 5 >.> i hate that quest