>>I have never heard of a Lich being killed in a one
>>on one. I know you have extra insight as to how they
>>opperate, but have you ever killed a Lich one on one?
>
>Yep, and I'll additionally go you one better than that.
>I've *been* killed as a lich one on one. . . a couple times,
>even. Hell, you might even able to find logs of it if you
>dig around for old Istendil stuff.
>
>If a lich gets to pick all of the circumstances of
>how/when/where/etc. he will fight you, odds are extremely
>good he's going to win. You don't have to let that happen.

Zinla killed Hvitlok 1 on 1
Zulghinlour killed Draktha 1 on 1

Pick and choose your targets and places to be, and even a lich can die 1 on 1.