I'm preparing for a level 20 one shot and I'm trying to make a more support focused character. Two higher level support spells I'm eyeing are Mind Blank and Foresight, however the description of Mind Blank has me a bit concerned that I have to be careful with how they are cast together.

Mind Blank:

Until the spell ends, one willing creature you touch is immune to psychic damage, any effect that would sense its emotions or read its thoughts, divination spells, and the charmed condition. The spell even foils wish spells and spells or effects of similar power used to affect the target's mind or to gain information about the target.

With Foresight being a divination spell it seems like they cannot be cast on the same character as Foresight is a divination spell which mind blank prohibits.

It also seems like if Mind Blanked character A was against Foresight character B, Foresight's effects would mostly fizzle against the Mind Blanked character.

Are these two interpretations of the interactions accurate, or is there something I'm missing?

  • \$\begingroup\$ Apologies if you explained this in the question, I just want to clarify, are you asking about one person having both mind blank and foresight cast on them at the same time, or about two characters, each with one of the spells, interacting? Or both? \$\endgroup\$ Dec 23, 2021 at 20:49
  • \$\begingroup\$ @ThomasMarkov both cases interest me as the two spells have interesting interactions in my mind. I can split it up if it's too broad as written though. \$\endgroup\$
    – Dom
    Dec 23, 2021 at 20:50
  • 2
    \$\begingroup\$ I think it's fine to be asking about both in one question. Just splitting that paragraph makes it clearer, I think. \$\endgroup\$ Dec 23, 2021 at 20:54

1 Answer 1


Immunity to divination spells prevents foresight from buffing your ally.

Regrettably for your allies, the spell description here is perfectly general. Because "immune to... divination spells" is unqualified, even the ones that buff them are useless. See also this similar question about resistance with answers stating that it is not optional.

It's not clear that this is RAI, though, so a lenient DM may permit mind blank to let divination buffs pass-through, while blocking enemies' divination.

  • 1
    \$\begingroup\$ Yeah, the intent seems to be that immunity means that other creatures cannot use divination to gain information about the target, but unfortunately it's not clearly worded that way. \$\endgroup\$ Dec 24, 2021 at 2:47

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