Northern Lights (Light)

Color: Blue / Blue
Description: Invincible shield that creates Heal Marks when destroyed
Cost: 2 rage
Max times usable: 100
Breakable by cannon/howitzer: Yes
Duration: 6s
Size: 80 (centered on dragon)
Healing: 11.5% of modified HP (only when dragon is empowered)
Rage gained: 0.4