Alteration
Perk Tree
Perk
Perk
Perk
Alteration 25+ / Modify spell cost by x0.5
Perk
Perk
Alteration 75+ / Modify spell cost by x0.5
Alteration 100+ / Modify spell cost by x0.5
Alteration 20+ / Can dual cast spell set 1
Modify spell cost by x0.5
Alteration 100+ / Atronach
3 ranks / Alteration 30+
3 ranks / Alteration 30+
Alteration 70+ / Modify spell duration by x1.5
Alteration 50+ / Modify spell cost by x0.5