Magic Defense Bonus also known as Magic Defense Up is a job trait for White Mages, Red Mages and Blue Mages in Final Fantasy XI. The trait decreases damage taken from spells, with each upgrade increasing Magic Defense.

Upgrades

• Magic Defense Bonus I - It increases Magic Defense by 10. It is learned by White Mages (level 10), Red Mages (level 25), and Blue Mages (level 50).
• Magic Defense Bonus II - It increases Magic Defense by 12. It is learned by White Mages (level 30) and Red Mages (level 45).
• Magic Defense Bonus III - It increases Magic Defense by 14. It is learned by White Mages (level 50).
• Magic Defense Bonus IV - It increases Magic Defense by 16. It is learned by White Mages (level 70).