Below is a snip. I think the Golem and myself are reacting appropriately but the zombies don't seem to be. I'm not sure if that's intentional or not.

The questions is: Should the damage not be reduced or negated?

A flesh golem is seared by the black flames of the Archmage of Eternal Night's spell.
A flesh golem is unaffected by the Archmage of Eternal Night's blackfire nova!
A zombie of the old dwarf is seared by the black flames of the Archmage of Eternal
Night's spell.
The Archmage of Eternal Night's blackfire nova does UNSPEAKABLE things to a zombie of
the old dwarf!
A zombie of a gorgeous silver-haired elf is seared by the black flames of the
Archmage of Eternal Night's spell.
The Archmage of Eternal Night's blackfire nova does UNSPEAKABLE things to a zombie of
a gorgeous silver-haired elf!
The oppressive force of the Archmage of Eternal Night's spell rolls over you in an
enervating wave.
The Archmage of Eternal Night's blackfire nova is powerless against you.