Full: For 5...10...11 seconds, you have 25...45...50% chance to block attacks and whenever you are the target of a hostile spell or attack one nearby foe is struck for 5...29...35 earth damage.
Concise: (5...10...11 seconds.) You have 25...45...50% chance to block. Deals 5...29...35 earth damage to one nearby foe whenever you are the target of a hostile spell or attack.