Full: For 3...10...12 seconds, target foe's attacks do +10 damage, but there is a 50% chance that the damage from each attack will be done to that foe instead. (Maximum 10...50...60 damage.)
Concise: Target foe does +10 damage with attacks (3...10...12 seconds). There is a 50% chance that the damage from each attack (maximum 10...50...60) will be done to that foe instead.