I think that my 4 person 6th level party could take her out even if she had time to put up mage armor and a shield spell. We are at about half of the expected gear value for our level as well.
Actually, the party scout alone might be able to take her. Evasion would negate a lot of her damage, he has a wicked speed, and each arrow that hit would take off about a quarter of her maximum life total.
Toss in the rest of the group and she would be lucky to live out 2 rounds.
Since she is able to make up spells maybe you could make up a prestige class as well?
Have her specialize in either evocation or illusion, and then make a prestige class to specialize further and make interesting spells that only people from that prestige class can cast that are a twist on other basic spells. Tough but not terribly damaging.
As an example, mirror image. Normally a pretty tough spell for people anyway but this one is a little different in that anytime one is popped it makes a 5' burst of a random energy type but only for minor damage like d4.
Maybe the prestige class has a special ability that whenever she casts an illusion spell like silent image that looks like a damaging spell (or ghost sound to sound like a damaging spell) whoever is in the effect must make a will save to disbelieve or take d6 damage per level of the spell and each round after that they must make a new save or suffer the effect again but with one less d6. Kindof like a illusory echo.
Your lightning bolt spell would fit in perfectly with this actually! Another special ability could make all or illusions follow you around and perform acts like you do with a save to disbelieve the interaction and taking only half damage plus an extra save to negate the effect instead of taking half damage. With a mirror image up you could look like you are filling huge swaths of land with lightning, make it seem incredibly dangerous, while actually only doing fairly minor damage.
Illusions and minor evocations. It can make for a fun encounter that looks very dangerous but is actually only slightly dangerous. Plus it sounds like a lot of fun.
Actually, the party scout alone might be able to take her. Evasion would negate a lot of her damage, he has a wicked speed, and each arrow that hit would take off about a quarter of her maximum life total.
Toss in the rest of the group and she would be lucky to live out 2 rounds.
Since she is able to make up spells maybe you could make up a prestige class as well?
Have her specialize in either evocation or illusion, and then make a prestige class to specialize further and make interesting spells that only people from that prestige class can cast that are a twist on other basic spells. Tough but not terribly damaging.
As an example, mirror image. Normally a pretty tough spell for people anyway but this one is a little different in that anytime one is popped it makes a 5' burst of a random energy type but only for minor damage like d4.
Maybe the prestige class has a special ability that whenever she casts an illusion spell like silent image that looks like a damaging spell (or ghost sound to sound like a damaging spell) whoever is in the effect must make a will save to disbelieve or take d6 damage per level of the spell and each round after that they must make a new save or suffer the effect again but with one less d6. Kindof like a illusory echo.
Your lightning bolt spell would fit in perfectly with this actually! Another special ability could make all or illusions follow you around and perform acts like you do with a save to disbelieve the interaction and taking only half damage plus an extra save to negate the effect instead of taking half damage. With a mirror image up you could look like you are filling huge swaths of land with lightning, make it seem incredibly dangerous, while actually only doing fairly minor damage.
Illusions and minor evocations. It can make for a fun encounter that looks very dangerous but is actually only slightly dangerous. Plus it sounds like a lot of fun.