Mage · talent ability, from Ice Lance

Ice Lance

145per cast

Rank 6 · level 60 · before talents

Ice Lance

160 Mana30 yd range

Instant

Deals 140 to 164 Frost damage to an enemy target. Deals 300% increased damage to Frozen targets.

Talents that change it, each at full ranks:
 Fingers of Frost · with Fingers of Frost active  +434 Shatter · against Frozen targets  +143 Arcane Power · with Arcane Power active  +43.4 Piercing Ice  +8.7 Winter's Chill · estimate: 5 Winter's Chill stacks  +7.1 Arcane Instability  +6.5 Elemental Precision  +4.5 Incineration  +4.3 Ice Shards  +2.1 Arcane Mind  +0.1 Frost Channeling per 100 mana +16.0 Arcane Concentration per 100 mana +10.1 Master of Elements per 100 mana +0.8

All 6 ranks

Rank	Level	Per cast	Per second
Rank 1	20	27.4	18.3
Rank 2	28	35.1	23.4
Rank 3	34	43.9	29.3
Rank 4	42	77.0	51.3
Rank 5	48	95.5	63.7
Rank 6	56	141	94.2

Plan a Mage 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.