In the Shadow of the Colossus
Critical: +2d6 fire dmg, or +2d10 fire dmg while you’re in guardian form
Power (At-Will:::Fire): Free Action. All damage dealt by this weapon is fire damage. Another free action returns the damage to normal.
Power (Daily:::Fire): Free Action. Trigger: You hit with this weapon. Effect: The attack deals an extra 1d6 fire damage and the target takes ongoing 5 fire damage (save ends). If you hit the enemy with your warden’s fury power using this weapon, the target instead takes ongoing fire damage equal to 5 + your Str mod (save ends).
In the legends, the Guardian’s Flame is said to be part of the very spirit of nature. Gifted to the very best protectors of the natural world by the primal energies that give the world shape, this sword stands as a beacon of light, a torch to illuminate and protect the natural order from the ravages of extraplanar forces.