Talk:Jarvan IV/@comment-130.126.60.18-20110424193938/@comment-82.9.213.175-20110430154926

I assume he got the mastery that increases your attack damage by 3 and started off with a Long Sword of a Doran's Blade. These will give you 13 BONUS attack damage. The ability uses this bonus 13 attack damage and multiplies it by 1.1 which would give you your 14 extra damage.