Help me stat an UberDevil...

[DM_Matt]

Ok, so my 14th level overpowered aty has discovered that the local lord's wife is a devil who is assassinating her husbands opponents and framing other ones for it. They will try to kill her next time, and once they actually get her alone, I want her to be reeeeaaaall bad@$$. I am shhoting for a tough CR18. I'd like it to be a succubus-class deviless names Ziva of the Black Lightning, but with the following kinds of abilities:

Shield of Black Lightning(Su) : Gives deflection bonus to AC, and reflects physical damage (damage from weapons, though not accompanying energy damage) back upon those who dealt it.

Black Lightning Bolt(Sp) : 10d6, Reflex for half, one target. Those who fail the save are knocked back dmg feet. Fort save or 1 round stun.

Touch of BlackFlame(Su) : Based on Winterwight etc in ELH. Touch attack to save or take 1d6con, repeats each round till save made (till 2 made?).

 

[Nightfall]

Just use Eryines/Succubi as a base and go from there.

 

[DM_Matt]

Just use Eryines/Succubi as a base and go from there.

Well, the PCs offensive might is so extreme that such a creature would practically have to be made from scratch. They are very powerful, even for their level, and they have plenty of stuff thats particularly nasty to evil outsiders (Exalted Cleric, Pally with Holy Evil Outsider Bane Longsword +1, etc)

 

[Brekki]

If she's physically weak she should be mentally strong ... ideas
- the party will first attack some kind of dominated thrall instead of the real demon/devil
- true combat
--- hard to hit due to displacement, blur, fog, whatever
--- possibly flying
--- maybe nice to use antimagic field+bow/reach weapon+natural flight ... she can harm them from a distance, they can only harm her with physical ranged weapons
- use the book of vile darkness for things like mortalbane spell-like abilities, quicken spell-like ability and the piercing that lets you autocrit mortals
- for physical weaknes ... use polymorph into another kind of outsider ... or magic jar / mind switch evilness on the party or some physical local brute

 

[the Jester]

Erinyes sorcerer/assassin... maybe sorc 8/ass 6?

 

[James McMurray]

Defnitely get the spell from BoVD that quickens the teleport without error ability.

Then make her epic so she can get multispell and teleport in as a free action, hit them with an attack of some sort, and teleport out as a free action.

That last part may be too much, but the first portion is cool.

Give her some healig capability as well. Perhaps UMD and a wand of cure critical. That way she can teleport away, heal herself over the course of a few rounds (coincidentally lowering the party's buf durations) and then return.