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 Flaming Weapon Level 5+
You can will this weapon to burst into flame.

Lvl 5 +1 1,000 gp

Lvl 10 +2 5,000 gp

Lvl 15 +3 25,000 gp

Lvl 20 +4 125,000 gp
Lvl 25 +5 625,000 gp
Lvl 30 +6 3,125,000 gp

Weapon: AnyEnhancement: Attack rolls and damage rollsCritical: +1d6 fire damage per plus
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. Use this power when you hit with the weapon. Deal an extra 1d6 fire damage, and the target takes ongoing 5 fire damage (save ends).

Level 15 or 20: 2d6 fire damage and ongoing 10 fire damage.
Level 25 or 30: 3d6 fire damage and ongoing 15 fire damage.