Elemental Synergy

Shaman enters a state of synergy with the elements and gains the following bonuses depending on the chosen element while having 5 stacks of Elemental Mastery and [3 / 4 / 5] seconds after they expire:

Fire Element - Knuckles ignite, causing the Shaman to deal additional ([30% / 35% / 40%])Spell Power magic damage with auto-attacks.
Water Element - Restores Mana with auto-attacks ([3% / 4% / 5%] of damage dealt).
Earth Element - Skin hardens, reducing enemy auto-attack damage by [10 / 15 / 20]%.