Restoration Shamans received a number of improvements to the way they heal in WoW Classic: Wrath of the Lich King. No longer are they the specialists for raid healing back in TBC with their constant Chain Heal casting.
The talents have been reworked to provide more powerful heals with Tidal Waves and Tidal Force, better mana efficiency with Improved Water Shield, and a sort of smart healing for low health targets Ancestral Awakening. There is also a new instant cast heal from the talent: Riptide giving more options to heal while on the move.
All Totems, including the new reworked Cleansing Totem, and Bloodlust / Heroism are now also raid-wide, this is great news for the raid, but diminishes the need for multiple shamans.
If you want to know which race to play as a Restoration Shaman check out the main page for Shamans in WotLK for more detail. Most players will choose Trolls for the Berserking haste buff.
Restoration Shamans have little variation in their talent selection. The main differences depend on if your focus is Tank Healing or Raid Healing. Here is the standard Healing Talent build with the variations explained below.
The biggest thing to remember for gear with Resto Shamans is item level, the higher the item level the more the stats. The stat priority below is a general guide that can change depending on the duration of the fight. Spellpower is the prime stat to increase overall healing done. Shorter fights favor Haste over Mp5 and longer fights favor the reverse to conserve mana.
Critical Strike Rating has some importance due to the talents Improved Water Shield and Ancestral Awakening benefiting from critical heals. Spirit is largely not a strong stat to have as Shamans are rarely stopping to cast for 5 seconds to
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