Burning Soul

From wow.incgamers.com

Talent: Burning Soul
Effect: Gives your Fire spells a % chance to not lose casting time when you take damage and reduces the threat caused by your Fire spells by a %.
Statistics: Rank 1 = 35% chance to not lose casting time and -5% threat, Rank 2 = 70% chance to not lose casting time and -10% threat.