Spellbook needed to learn 'Deflect Magic'.

Required:
Paladin - Lv. 69
Dark Avenger - Lv. 69
Temple Knight - Lv. 69
Swordsinger - Lv. 69
Shillien Knight - Lv. 69
Bladedancer - Lv. 69

To obtain this item, hunt the Doom Warrior found in Fields of Massacre.