Druid · Balance · tier 1 · from level 10
Improved Wrath
+15.8 Wrath
5/5 · level 60 · per second of casting
Improved Wrath
Rank 5/5
Reduces the cast time of your Wrath spell by 0.5 sec and its Mana cost by 50%.
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.