From my understanding the psychic vampire is impossible to kill
without an archon, its basically the fiend with 20k hp.
Sure enough a good align conjurer sits there with his elemental and
kills it over a period of 7 tics.

But how can evils possibly kill this dude?

A lesser ice devil has arrived.
A lesser ice devil gestures at a psychic vampire, uttering blasphemies.
A psychic vampire's mental assault MASSACRES you!
A psychic vampire's mental assault MANGLES you!

yay, my devil really helping me out here
it was immune to all its maledictions, its also immune to my demon
leaving just the elemental

I think i wasted 2 pracs on clairvoyance.
I see the balancing of this spell where there is a chance
that you get attacked causing severe annoyance and chance of death.
Not, chance of being attacked with certain death!

Please dont reply with use an archon, i think that thing heals me
once every 15 rounds