Trellian said:
I think he can take 10 on UMD, so yeah. And they have a wand of fireballs, so he is not helpless. either way, I was just thinking of maybe giving the Lich Resistance 10 to Eldritch Fire or something. The warlock has a Chasuble of Fell Power or something, so his Eldritch Blast is, like 7d6 or something. He's still able to do a great deal of damage, even with the resistance.
You can rationalize the numbers any way you like, but realize this: you're not actually giving the Lich "elemental resistance", you're giving it resistance to
Bob (or whatever your player's name is). You're making up an effect specifically to hamper one player. I suspect your players will see through this, and will feel that it smacks of unfairness.
Instead, I'd suggest you allow the Lich to research Necromantic versions of some helpful Arcane effects:
mirror image,
displacement,
ray deflection, and the like. Make each spell one or two levels higher -- they're worth it.
For example:
Spectral Shadow
Necromancy
Level: Blighter 4
Identical to
displacement, except as noted here. If an opponent misses you with a melee attack, he suffers Cold damage equal to one-half your caster level, as your spectral shadow chills his strike.
Spirit Mirror
Necromancy [Fear; see below]
Level: Blighter 3
Save: Will negates; see below
Identical to
mirror image, except as noted here. Whenever an opponent destroys one of your images, it momentarily takes the form of someone dear to him dying. He must make a Will save or be Shaken for 1 round.
Cheers, -- N