Elemental Mastery
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Gain mastery over Fire and Lightning, reducing the cast time of Lightning Bolt and Lava Burst by 0.5 sec, and removing the cooldown from Chain Lightning. Lasts 15 sec.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.