Fire Nova

Fire Nova is a Shaman ability, added in patch 3.3.0 to replace Fire Nova Totem. While the prior Fire Nova Totem was considered a pet and thus would potentially disallow typical kill rewards (loot, exp), the new Fire Nova is a direct AoE attack, bypassing any prior pet restrictions. The Shaman Magma Totem and Searing Totem are still considered pets.

This addition to the Shaman's array of damaging attacks now gives the high potential for the Shaman to be considered an AoE farming class. With the usage of the Magma Totem, Thunderstorm, and Chain Lightning, the Shaman now has an impressive array of multi-target damaging spells.

Improvements
The following improve the Fire Nova Spell:
 * Call of Flame Increases damage by 5/10/15%.
 * Improved Fire Nova Increases damage by 10/20% and decreases cooldown by 2/4 seconds.
 * Elemental Fury Increases critical strike damage by 100%.
 * Elemental Reach Increases Range by 10 yards.
 * Glyph of Fire Nova Increases Radius by 5 yards.

Tactics
Highly useful in raid situations usually involving lots of trash mobs. Shamans can run cast Flame Shock on one mob, and then cast Fire Nova. Elemental Shamans which Glyphed Thunderstorm can then drop Thunderstorm combined with a Chain Lightning to pull out some decent AoE Damage.