Druid · Restoration · tier 4 · from level 25

Tranquil Spirit

+31.4 Healing Touch

5/5 · level 60 · per 100 mana · and 1 more

Tranquil Spirit 12345

Rank 5/5

Reduces the mana cost of your Healing Touch and Tranquility spells by 10%.

Healing Touch +11.1% +31.4 Tranquility +11.1% +17.4

Averages, counting crits and misses, for a level 60 Druid with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.