How do you kill a Char like this......
Level 26, Wiz21, Archmage5
HP166
AC90, touch85, flat-footed67
DR 30/-
SR20
SQ- Undead qualities, immune to Sonic/lightning/fire/cold/acid.
Feats-spell prodigy, spell focus (trans, necro), improve initiative, improve counterspell, reactive counterspell...