From Final Fantasy XIV A Realm Reborn Wiki
Deathflare is an action unlocked by questing at level 60. It's available for Summoner.“
Deals unaspected damage to target and all enemies nearby it with a potency of 400 for the first enemy, and 50% less for all remaining enemies.
- Can only be executed while in Dreadwyrm Trance.
- Dreadwyrm Trance fades upon execution.
— In-game description