Armor Class
13
(natural armor)
Hit Points
68
(8d10 + 24)
Speed
60 ft., fly 90 ft.
STR
18
(+4)
DEX
15
(+2)
CON
16
(+3)
INT
10
(+0)
WIS
13
(+1)
CHA
15
(+2)
Damage Immunities
Fire
Senses
Passive Perception 11
Languages
Common and Infernal but can't speak
Challenge
3 (700 XP)
Proficiency Bonus
+2
Traits
Confer Fire Resistance. The nightmare can grant resistance to fire damage to anyone riding it.
Illumination. The nightmare sheds bright light in a 10-foot radius and dim light for an additional 10 feet.
Actions
Hooves. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) bludgeoning damage plus 7 (2d6) fire damage.
Ethereal Stride. The nightmare and up to three willing creatures within 5 feet of it magically enter the Ethereal Plane from the Material Plane, or vice versa.







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Posted Jul 5, 2019So is it possible to have one as a mount? That would be cool.
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Posted Jul 29, 2019that depends on your GM
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Posted Aug 11, 2019Ethereal Stride best ability!
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Posted Aug 18, 2019It would make sense for a warlock, especially an infernal or abbisal one. Maybe with a summoning spell.
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Posted Aug 20, 2019The best mount
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Posted Aug 23, 2019Definitely up to the DM, the description does say they do not appear naturally and are instead created through a ritual that involves tearing the wings off a pegasi and turning it into a Nightmare. So there's already info on how they're created, and players can already use pegasi as mounts through spells like find greater steed, then it's up to the DM to decide whether or not the knowledge of the ritual are shared with the PCs :)
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Posted Sep 9, 2019You can if you find https://www.dndbeyond.com/magic-items/figurine-of-wondrous-power-obsidian-steed one of these.
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Posted Oct 21, 2019The mount summoned by Find Greater Steed is just a spirit that takes the form of the mount you choose. Tearing off the spirit's wings (if possible) wouldn't transform it into a nightmare (specifically) or a fiend (generally). Except for DM homebrew fiat, of course.
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Posted Oct 24, 2019Oh good point, I hadn't realised that, thanks!
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Posted Nov 30, 2019The Infernal Tack magic item
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Posted Dec 12, 2019play curse of strahd, and steal his, im sure that'll go well :D
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Posted Jan 15, 2020Why does it have flying speed?
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Posted Feb 6, 2020https://www.dndbeyond.com/magic-items/figurine-of-wondrous-power-obsidian-steed
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Posted Feb 12, 2020Because it can fly.
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Posted Feb 15, 2020HOW??!?
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Posted Feb 17, 2020Nightmare pegasus.
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Posted Feb 26, 2020Wings were torn off tho
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Posted Mar 2, 2020I got one in Avernus for getting the infernal tack off of a boss I practically solo'd. Almost died in a very bad way but didn't and it was 100% worth it.
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Posted Mar 9, 2020Fire hooves that makes him walk through the skies.
Or simply put, Its magic.
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Posted Mar 17, 2020Yes. In the new module Descent into Avernus there is an opportunity to do so.