Tome of Berserker II

Effect
Use into Skills Master to learn skill Berserker II: increases the Critical Strike rate of this hero's units by 75 points. Can be used for all hero with level 30 or higher, but the skill is recommend for hero's speciality Attack.

Obtain
It can be found in:
 * (10 gold).
 * Wheel of Fortune.
 * Wheel of Fortune.