Wikia

Molten Core
Increases the duration of your Immolate by X sec, and you have a Y% chance to gain the Molten Core effect when your Corruption deals damage. The Molten Core effect empowers your next 3 Incinerate or Soul Fire spells cast within 15 sec. Incinerate - Increases damage done by Z% and reduces cast time by Q%. Soul Fire - Increases damage done by Z% and increases critical strike chance by R%.
Usable by
Class	Warlock
Properties
Location	Demonology, Tier 6
Affects	Shadow and Fire spells
Ranks	3
Requirements
Points required	25
Spec specific	Yes
Talent required	None
Related buff
Molten Core Incinerate - Increases damage done by Z% and reduces cast time by Q%. Soul Fire - Increases damage done by Z% and increases critical strike chance by R%.

For the raid instance, see Molten Core.

Molten Core is a talent in the Demonology tree, you will need to spend 28 points in Demonology to max it.

Rank table

Rank	Immolate	Chance	Damage increase	Cast time	Crit strike chance
1	3 sec	4%	6%	10%	5%
2	6 sec	8%	12%	20%	10%
3	9 sec	12%	18%	30%	15%

Patch 3.3.0 (08-Dec-2009): Redesigned. This talent now increases the duration of Immolate by 3/6/9 seconds and provides a 4/8/12% chance to gain the Molten Core effect when Corruption deals damage. The Molten Core effect empowers the next 3 Incinerate or Soul Fire spells cast within 15 seconds (Incinerate: increases damage done by 6/12/18% and reduces cast time by 10/20/30%; Soul Fire: increases damage done by 6/12/18% and increases critical strike chance by 5/10/15%). Molten Core now has a new spell effect.
Patch 3.1.0 (14-Apr-2009): This talent has been moved to Demonology (Tier 6).
/ Patch 3.0.2 (14-Oct-2008): Added.