Chain Lightning

Chain Lightning
Magic Resistance: Yes
Legendary Eldritch Spell [Magical, Lightning]
Prerequisites: Eldritch Rank 7
Disciplines: Evocation
Potency: [1d12 + Eldritch Rank]
Cast Action [CT 7, REC 4]
Components: V, S, F [Crystal Rod, Value: 50 gp]
Cost: 7 Stamina and 3 Stamina Burn
Range: 400 ft
Primary Effect: Weaving an incredible charge of coruscating, barely contained energy, you unleash a massive blast of Eldritch Lightning that leaps between targets. Make an attack
Range: 400 ft
Target: Up to three creature within range
Attack: Arcana P vs. Reflex
Hit: 6d8 + [3 x Eldritch Might] + 65 Lightning damage
Miss: Half Damage.
Secondary Effect: Your bolt snakes out, hitting creatures near your primary target. Make an attack:
Range: 30 ft from any Primary Target
Target: Up to a number of creatures equal to your Eldritch Rank within range (not the primary target).
Attack: Arcana vs. Reflex
Hit: Half the primary damage
Miss: One quarter (25%) primary damage.
Augment, Electrocution
[Eldritch Rank 8, Stackable]
Stacking [Eldritch Rank 8, 9, 10, etc.]: This augment may be applied an unlimited number times and is only limited by your character’s Eldritch Rank.
Effect: Increase damage dealt to the primary target by 3d8.
Master Augment, Storm Unleashed
[Eldritch Rank 9]
Cost: 2 Stamina
Effect: Your bolt branches further, hitting all creatures around your secondary targets. Make the following tertiary attacks:
Range: 60 ft from any Primary Target
Target: All creatures you choose within range that were not Primary or Secondary targets.
Attack: Arcana vs. Reflex
Hit: One quarter (25%) primary damage.