I wouldn't suggest 'hiring' an NPC for the job.
It would break the true feeling of soloing.
Minor ToB High Level Abilities spoiler ahead.
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Do you have ToB installed?
If so, choose Summon Planetar as a HLA pick.
The Planetar can cast Heal.
If not - don't worry.
The Unseeing Eye quest isn't too hot on Mage items, to say the least.
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