What creature of CR 5 or lower has the highest Constitution saving throw bonus?

I am currently DMing a campaign and have slowly been introducing higher and higher Con save creatures as zombies, as a local necromancer tries finding the best.

Zombies' Undead Fortitude trait says:

If damage reduces the zombie to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the zombie drops to 1 hit point instead.

Players have been having lots of fun with Zombie bear jokes at the zombie that stood back up six times.
I tried looking myself but currently don't have a lot of time to search before the session this weekend due to my work schedule changing.


  • CR 5 or lower
  • Can't be an elemental or something that is already undead
  • Would prefer to avoid a fey due to already having done 2 zombie redcaps and a zombie yeth hound
  • Any published 5e books are fair game. (If you want to do an honorable mention from a previous edition, just state the edition so I can look at it and transfer it over.)

Barbed Devils and Otyughs (with a +7 mod to Con saves)

It's possible to use D&D Beyond to get a filtered monster list that answers this question. You can do this by selecting all monster types except fey, elemental, and undead, then filtering to CR 0-5 creatures, and filtering to monsters proficient in Con saves using the advanced filter.

Here's the final list, sorted from highest to lowest CR (since higher-CR creatures are likely to have higher modifiers). The top 4 in the list:

There are a few others with a +6 or +5 mod, but I decided to skip ahead to another tied for the highest:

I'm not seeing any others with a +7 modifier or higher for Con saves.

  • 3
    \$\begingroup\$ Zombie Brontosaurus .... that's a great visual \$\endgroup\$ – KorvinStarmast Jan 29 '19 at 13:18
  • \$\begingroup\$ Ikr!! Haha thanks for the help and ill remember dnd beyond in future!! \$\endgroup\$ – Deceptecium Jan 29 '19 at 15:37

Just going over CR5 encounters (since they should have the most CON) here are a few that I found -

  1. Banderhobb (from Volo's, p. 122) with 20 CON (+5)
  2. Bulette with 21 CON (+5)
  3. Giant Shark with 21 CON (+5)
  4. Tanarukk (from Volo's, p. 186) (fiend) with 20 CON (+5)
  5. Troll with 20 CON (+5)
  6. Catoblepas (from Volo's, p. 129) with 21 CON (+5)

Only found one fiend with a high CON (+5) under CR5 which adds to your flavor (and I dont think you can use a shark for your setting given your party has been fighting bears)

If I happen to have missed any high con non-elementals please feel free to edit them in

  • 6
    \$\begingroup\$ Relevant meta. The site you've linked to for the non-SRD monsters hosts/shares non-SRD content, which goes against RPG.SE's policy against piracy. I'd suggest changing the links to point to D&D Beyond instead, and probably adding page numbers so it's accessible to those who don't own it digitally. \$\endgroup\$ – V2Blast Jan 29 '19 at 8:11
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    \$\begingroup\$ @V2Blast Thank you for mentioning that, and thanks for the edit \$\endgroup\$ – Karan Shishoo Jan 29 '19 at 8:12
  • 1
    \$\begingroup\$ Thanks for help!! And can still use zombie shark because undead don't have to breath so it doesn't need water XD. Would prob only have 10 movement but still funny :3 \$\endgroup\$ – Deceptecium Jan 29 '19 at 15:40

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