Inspired by this comment on an answer of mine, I'm now wondering how exactly shapechange works. The spell states (emphasis mine):

You assume the form of a different creature for the duration. The new form can be of any creature with a challenge rating equal to your level or lower. The creature can't be a construct or an undead, and you must have seen the sort of creature at least once. You transform into an average example of that creature, one without any class levels or the Spellcasting trait. [...]

The spell turns you into an "average example" of the chosen creature. But you also must have seen the "sort" of creature at least once. So can you turn into a unique or named creature, where the "average example" is basically one and only one thing and the only "sort" of creature is similarly that exact creature.

Some examples of unique/named creatures would be Titivilus, Yan-C-Bin, Kiril Stoyanovich, or Ahmaergo. People/creatures where only one of them exists.

A somewhat related question:


2 Answers 2


No because Unique/Named creatures are not the "average example"

As @Crazjtk correctly pointed out the examples you gave, Titivilus, Yan-C-Bin, Kiril Stoyanovich, and Ahmaergo, are not unique creatures but rather exemplary examples of a particular kind of creature. This is easy to see in the cases of Kiril Stoyanovich and Ahmaergo who are a werewolf and a Dwarf respectively.

It is harder to tell in the cases of Titivilus and Yan-C-Bin however because we do not know what the "average example" of their type of creature is. We don't actually need to know what an average Titivilus type creature is just that Titivilus is not average. I believe that we can conclude that any named creature is not the average-form of a creature type. If a player encountered Griphook the goblin, whose stats were exactly those of a standard goblin, the player could not shapechange into Griphook only an average goblin. That the two are identical is incedental.

We do not know from the books how the DM defined the origin and history of Titivillus. It could be that in your game's universe Titivillus is an average example of his type of creature, be it because others are all like him or because he is unique. Even if that were the case a player could only turn into Titivilus's type of creature not Titivillus.

Since there is no provided stat block for an average Titivilus-type-creature it becomes up to the DM to define one. A kindly DM might determine that Titivilus is entirely representative of his kind while a DM that resents being made to make up a new monster might declare Titivilus to be nothing more than a particularly empowered Lemure. This isn't a danger with creatures that have defined "average" forms but whenever the average form is not provided only the DMs imagination can fill in the blank.



In all the cases you listed, the “unique monsters” are more like uniquely-statted or uniquely powerful examples of a normal foe. Titivilus has a unique name, but they’re still a devil. Yan-C-Bin is an archomental, Kiril is a shapechanger, and Ahmaergo is a dwarf. They’re individuals, not totally unique beings.

You could turn into an average devil, or an average shapechanger, but not that specific one any more than you can turn into specifically Oceancookie, the uniquely-named and especially-fast racehorse you saw at the king’s tournament.

  • \$\begingroup\$ @Rykara I’m saying “no”. I’ve edited the post to make that more explicit. \$\endgroup\$
    – Crazjtk
    Commented May 6, 2020 at 19:10
  • \$\begingroup\$ You might want to specify Titivilus is an archdevil and Kiril is a werewolf considering "devil" and "shapechanger" apply to a wide range of non-unique monsters. Surely shapechange would allow a wizard to turn into a Bone Devil rather than just a lowly Lemure but they are both devils. \$\endgroup\$
    – user60913
    Commented May 6, 2020 at 20:42
  • 1
    \$\begingroup\$ I'm a bit confused by "You could turn into an average devil", do you mean that you also cannot turn into things such as a Bearded Devil, Barbed Devil, Bone Devil, or Chain Devil? They certainly aren't the average devil, but they certainly aren't unique \$\endgroup\$ Commented May 6, 2020 at 20:42
  • \$\begingroup\$ "Oceancookie". Saw what you did there. \$\endgroup\$
    – Jack
    Commented May 6, 2020 at 21:15

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