This boss makes me very mad just by looking at it, it is so hard that I fought him for a week and still can't beat him. So can anyone give me some advice? These are the stats of my characters.

Vaan: Level 34 Platinum Sword Dragon Shield
Ashe: Level 33 Kogarasumaru Katana
Balthier: Level 34 Ras Algethi
Fran: Level 33 Burning Bow
Penelo: Level 33 Orchalcum Dirk Platinum Shield
Basch: Leveln 33 Sword of Kings