cool thing

Infectious Flame Weapon Level 3+
Shaped in the form of flickering flames, this devilish weapon causes fire to leap from foe to foe.
Lvi 3 + 1 680 gp Lvl18 +4 85,000 gp
Lvi 8 +2 3,400 gp Lvi 23 +5 425,000 gp
Lvl13 +3 17,000 gp Lvi 28 +6 2,125,000 gp
Weapon: Any light blade or heavy blade
Enhancement: Attack rolls and damage rolls
Critical: + 1 d6 fire damage per plus
Power (Daily + Fire): Free Action. Trigger:You hit a target
with an attack made with this weapon. Effect: The target takes ongoing 5 fire damage (save ends).
Aftereffect One enemy within 2 squares of the original target takes ongoing 5 fire damage (save ends).
Level 13: Effect and aftereffect become ongoing 10 fire damage (save ends).
Level 23: Effect and aftereffect become ongoing 1 5 fire damage (save ends).