Implosion Update: To Better Approximate It's AD&D Form

[DestroyerOTN]

... as well as to cause a bit of balance. Though, this isn't a "nerf" strictly spoken.

The premise of the spell, as quoted to P&P terms:

Target: One corporeal creature/round
Duration: Concentration (up to 4 rounds)
Saving Throw: Fortitude negates
Spell Resistance: Yes

You create a destructive resonance in a corporeal creature's body. For each round you concentrate, you cause one creature to collapse in on itself, killing it. (This effect, being instantaneous, cannot be dispelled).
You can target a particular creature only once with each casting of the spell.
Implosion has no effect on creatures in gaseous form or on incorporeal creatures.

compare:

Area of effect: medium (3.33 meter radius)
Duration: instant
Save: fortitude negates
Spell resistance: yes

Description: The caster creates a vortex of destruction that tears asunder all living things within its area of effect, killing them instantly unless they make their saving throw.

My proposal is, in a manner of bringing it nearer to it's counterpart of the P&P form (and to shut roflplosion criers up a bit), the spell -remain- with current setups in all other regards... but essentially summon the same template creature as the mage spell "Black Blade Of Disaster" at location under similar summon term scripts. This creature would have equipped a claw attack which utilizes the NWN innate "On hit=Slay Race" properties. Versus all. Scales with leveling, if that's possible.

This would work on the premise that the black blade of disaster itself requires a concentration check to remain summoned. No player could target it, as well, since it lacks any clickable component (therefore, a hitbox). The maximum kills per round is, obviously, one per round (Crank up the Dex of the creature to absolute max with weapon finesse, but make it otherwise low level so as to only allow one attack per round at AC-ignoring AB)... and the summon would be, as appropriate, insusceptible to dispells provided proper hide immunities.

The issues that come to mind revolve around this allowing death ward to work against it, and that it is so -radically- different from the original form that someone genuinely unknowing as a cleric could take it and remain clueless to what should be expected. Casting it at the ground may be akward, too.

Thoughts?