Willpower

Willpower defines your character's ability to concentrate. It increases the capacity of several resources, and your chance to resist mental and spell attacks.

Gains per point:

Max Mana:       5.00
Max Stamina:    2.50
Max Psi:        1.00 (*)
Mindpower:      .70
Mental save:    .35
Spell save:     .35
Accuracy:       .35 (only when using Psi combat)

(*) Or more, with various Solipsist talents in effect.

Willpower modifies many talents' effectiveness.