Shaman · Enhancement · tier 2 · from level 15
Improved Lightning Shield
+26.1 Lightning Shield
3/3 · level 60 · per cast
Improved Lightning Shield
Rank 3/3
Increases the damage done by your Lightning Shield orbs by 15%.
Averages, counting crits and misses, for a level 60 Shaman 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.