About Xeona on normal it was quite easy on hard not exactly ^^
I did Lotd with easy using:
demon
emerald
inquisitor
skel archer
royal snake
Fight with Karador was so easy now
Teleported demon into them at first, blocked skel archer with royal and inquistor and dragon, second round dragon arrow for skels so skell started destroying dark crystal, on the ebd of the second turn time back on demon and further finish this what demon didnt with royal snake, emerlad actualy was jobless xD Karador didnt even spend half of his mana and was dead xD
However that didnt work for Xeona, for her i exchanged inqi and emerald with sprite and like fairy ( actualy its end of my second time but i used little girls first time) and then it was also very easy, and i exchanged royal snake with hunter since i wanted xeona and than royals lose their power
Stil no poison dagger
I think i will never get if i havent got it yet .. and finding anything in murok is just to late.