A Dragon Mage has a +2 bonus to cast spells from the Lore of Fire (cumulative with other bonuses) but never receives bonuses (of any kind) to dispel attempts.
BackSource: Warhammer Fantasy: 8th Edition
A Dragon Mage has a +2 bonus to cast spells from the Lore of Fire (cumulative with other bonuses) but never receives bonuses (of any kind) to dispel attempts.