Paladin · Holy · tier 4 · from level 25 · needs 3 points in Reverence
Illumination
Illumination
Rank 5/5
After getting a critical effect from your Flash of Light, Holy Light, Light's Vigil, or Holy Shock heal spell you have a 100% chance to gain Mana equal to 50% of the base cost of the spell.
Doesn't change the damage or healing of any Paladin spell.
Averages, counting crits and misses, for a level 60 Paladin 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.