43b78d2c_Spells__T2____Torchlight_Wiki__Effects
[Tome] Willpower III [Description] Training that provides a resistance to slowing and immobiling effects. Only one rank of Willpower may be equipped at a time. [Required level] 31 [Effects] 
35% Slow Resistance 35% Immobilization Resistance.
Spells (T2) - Torchlight Wiki
Effects