Talk:Resurrection Wand/@comment-92.228.103.176-20180722201554/@comment-45.56.46.26-20180723130556

While being undead might be an issue, the problem is that all the resurrection spells are clerical-type while Ainz is an arcane caster who can't cast any recovery-type spells except with items.

This is mentioned in the fight with Shalltear, since she has cleric levels and can regain health through the negative versions of healing spells.

It's not clearly established whether undead can cast positive recovery spells...in D&D (the major source) the problem is only casting spontaneous recovery spells, an undead cleric can cast the positive versions by preparing them. But Yggdrasil does not seem to have any spontaneous/prepared distinction in casting spells, instead casting all spells from mana, so if there is a difference it would have to be something else.