Blood Rage

Blood Rage is a demonic ability possessed by Xander. The game effect is that he can increase his strength for one round and take damage in exchange.
+1 step to Strength: 1 Stun
+2 steps to Strength: 1 Stun, 1 Wound
+3 steps to Strength: 2 Stun, 1 Wound
+4 steps to Strength: 2 Stun, 2 Wound
+5 steps to Strength: 3 Stun, 2 Wound (Maximum)

However, the Blood Rage, comes with the Complication of Out for Blood, Xander needs to make an Average Willpower +Discipline/Concentration roll or risk going berserk. On a botch he will lose control and possibly attack friends, kill surrendered prisoners, etc.