Cruel Cut style, cleave and morninglord/Lasting frost

[Flik9999]

I have a question whether the ongoing damage from Cruel Cut Style will gain the energy type of the weapon that was used for it.

For example a fighter using a radiant weapon/Sunblade hits the enemy for 1[W]+mods and Wis mod ongoing. Would the ongoing damage get the radiant type as well as the base damage increasing the ongoing damage to Wis mod +10 (ongoing).

Relevant radiant cheese info below. If the Sunblade/Radiant weapon does not work can you think of any other tricks that do.
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Cruel Cut Style
Tier: Heroic
Prerequisit: Wis 13, any martial class

You gain a benefit with any of the following powers you possess.

Cleave(Fighter):If no other enemies are adjacent to the target when you hit the target with this exploit, the target takes ongoing damage equal to your Wisdom modifier (save ends)

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Sunblade Level 4+
This heavy golden sword attacks with the power and intensity of
the sun, burning nearby enemies.
Lvl 4 +1 840 gp Lvl 19 +4 105,000 gp
Lvl 9 +2 4,200 gp Lvl 24 +5 525,000 gp
Lvl 14 +3 21,000 gp Lvl 29 +6 2,625,000 gp
Weapon: Heavy Blade
Enhancement: Attack rolls and damage rolls
Critical: +1d6 damage per plus
Property: This weapon can shed bright or dim light up to 20
squares. You control the brightness and range of the light.
Power (At-Will ✦ Radiant): Free Action. All damage dealt
by this weapon is radiant damage. Another free action
returns the damage to normal.
Power (Daily ✦ Radiant): Standard Action. You cause
motes of light to burst out and attach to your enemies.
Make an attack: Close burst 1; targets enemies; Strength
vs. Reflex (apply a bonus to the attack roll equal to the
weapon’s enhancement bonus); on a hit, the target takes
1d8 radiant damage.
Level 14 or 19: 2d8 radiant damage.
Level 24 or 29: Close burst 2; 3d8 radiant damage.
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Burning Radiance (16th level): Whenever you
hit with a power that has the radiant keyword, the
target gains vulnerability 10 to radiant damage until
the end of your next turn.


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[Sol]

So, the answer is yes, but it's a little bit of a trap anyway. It's potentially worth a feat if the fighter involved is not the morninglord, but if you are, you should be focusing on painting as many targets with vulnerability as you can. Also, WotC hugely over-estimated the value of ongoing damage, valuing it at about 1.5x the value of normal damage, while the actual value in play hovers around 75% normal damage. This is why most powers with ongoing damage are dailies that do bad instant damage. Why is ongoing worse than the same amount of damage right now? Because focus-firing is the best party tactic, and particularly as a fighter in the middle of the fray, your party is relatively likely to kill the thing you gave ongoing to before its turn, unless it's a solo, at which point the ongoing made no difference.

WIS can be fine for a fighter anyway, but don't take it for the purposes of this ongoing damage, which, with a non-you morninglord, Pelor's sun blessing, and your sword, will already do non-trivial amounts of damage (when it gets a chance to deal damage at all).

[Nightgaun7]

So, the answer is yes, but it's a little bit of a trap anyway. It's potentially worth a feat if the fighter involved is not the morninglord, but if you are, you should be focusing on painting as many targets with vulnerability as you can. Also, WotC hugely over-estimated the value of ongoing damage, valuing it at about 1.5x the value of normal damage, while the actual value in play hovers around 75% normal damage. This is why most powers with ongoing damage are dailies that do bad instant damage. Why is ongoing worse than the same amount of damage right now? Because focus-firing is the best party tactic, and particularly as a fighter in the middle of the fray, your party is relatively likely to kill the thing you gave ongoing to before its turn, unless it's a solo, at which point the ongoing made no difference.

WIS can be fine for a fighter anyway, but don't take it for the purposes of this ongoing damage, which, with a non-you morninglord, Pelor's sun blessing, and your sword, will already do non-trivial amounts of damage (when it gets a chance to deal damage at all).

On the other hand, this could be useful for the perennial "two-person party" threads that pop up. Fighter nails something and its takes 15+ radiant a turn, then moves onto the next target the Morninglord painted for him.