While Flask of Fire is active, all your abilities have no cooldown.
Flask of Fire unlock
Unquenchable Flames is a Rogue ability from the Tempest Specialization in Dragon Age: Inquisition.
About Unquenchable Flames
Unquenchable Flames is an upgrade to Flask of Fire which removes the cooldowns for all abilities while Flask of Fire is active.
Notes and Tips
Tempest Ability Tree