Priest · spell

Smite

172per cast

Rank 8 · level 60 · before talents

Smite

280 Mana30 yd range

2.5 sec cast

Smite an enemy for 167 to 186 Holy damage.

Talents that change it, each at full ranks:
 Power Infusion · with Power Infusion active  +34.4 Power in Light · on targets with your Holy Fire  +17.2 Searing Light  +8.6 Spiritual Guidance  +7.0 Holy Precision  +5.4 Holy Specialization  +4.2 Mental Strength  +0.3 Divine Fury per second +17.2 Mental Agility per 100 mana +6.8

All 8 ranks

Rank	Level	Per cast	Per second
Rank 1	1	14.8	9.9
Rank 2	6	26.6	13.3
Rank 3	14	44.2	17.7
Rank 4	22	58.7	23.5
Rank 5	30	79.1	31.6
Rank 6	38	91.8	36.7
Rank 7	46	123	49.2
Rank 8	54	166	66.3

Plan a Priest build

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