Pfft, Mellisian was actually pretty simple. All you needed where some good tactics, a mage, and a couple badass fighters.
Possible Spoiler
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Ok,
Mage to summon monsters to help with the little undead doods she summons. She teleports to the other side of that huge thing in the middle so dont even wory about hitting her for the first few second ( at least area spells) as soon as she D.Ds back a little and casts blade barrier then do dispel magic. Have your fighters go and attack herr while you still can but watch oub/c she is a pain in the ass but shadow keeper always helps
and if u have a Fighter/mage u try casting blade barrier ( i think its F/M ) ill finish this post l8r
c ya,
Bman