I would like to know your opinion on what is the most dangerous d and d monster I think the tarrasque is the most dangerous monster!!! Reply in the comments!
If you're not willing or able to to discuss in good faith, then don't be surprised if I don't respond, there are better things in life for me to do than humour you. This signature is that response.
Likewise, if you have a party of primarily casters, Sul Khatesh will absolutely slaughter them by turning off the magic with Arcane Cataclysm. Orcus can summon Dracoliches and/or regular liches, which is pretty neat. Marut can't miss attacks and hits like a truck, for exactly 120 damage every turn and has you succeed a DC 20 check or be banished sigil until further notice, which is decently powerful.There is a lot of options! all of them will TPK. (except Marut. Marut will not kill. unless you try to kill it first. let yourself be banished. It's the best option.)
Danger is circumstantial, as others are illustrating.
Any kind of intelligent shapeshifter with half-decent charisma could absolutely destroy a party of adventurers without even raising a sword, but that's not "fun" for the group outside of classic villain arcs.
If we assume a "Matrix-style" clean room on the Material Plane for classic 6 on 1 combat, then it will generally depend on the strengths of the party, but anything that can fly fast, and has a long range attack could pose a serious challenge.
Case in point: The Aspect of Bahamut has Change Shape, 120ft fly, and a 300ft cone of radiant damage. It could effectively stay outside of spell range except to torch the ground whenever its breath recharges.
If engaged in a mass combat situation, it can use its alternate resurrection breath weapon to potentially keep 10's of thousands of friendly allies alive as needed.
I mean... at these tiers of power, the only way a party of adventurers ever stands a chance of winning is if the plot requires it.
Definitely Sul Khatesh. If she remains in the area of her Arcane Cataclysm after using it, magical weapons can't hurt her. To do any damage at all, you need to nonmagically transport her outside of the area or use nonmagical damage other than poison and BPS.
Nah mate. A single adventurer would be curb stomped by Tiamat. The only reason Adventurers are powerful is because they travel in packs.
Well, there's only one Tiamat but there's a lot of adventurers. If you compare the typical amount of damage Tiamat does compared to adventurers across any randomly selected kingdom, I believe you'll find that the adventurers are considerably worse.
(Yes, I am making a simantic argument here because I'm being silly. But Adventurers are actually pretty dangerous.)
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Find your own truth, choose your enemies carefully, and never deal with a dragon.
"Canon" is what's factual to D&D lore. "Cannon" is what you're going to be shot with if you keep getting the word wrong.
Definitely Sul Khatesh. If she remains in the area of her Arcane Cataclysm after using it, magical weapons can't hurt her. To do any damage at all, you need to nonmagically transport her outside of the area or use nonmagical damage other than poison and BPS.
It's an incredible ability, but if the "danger" is contingent upon immediately rushing in, then... don't? If Sul doesn't immediately use Teleport or Gate as a "Get Out of Jail Free" card, then just go have some coffee and take a short rest until the effect ends.
There would have to be a plot device that forces the party to engage on Sul's terms... like casting some kind of world ending ritual spell and the party needs to continuously break concentration, which would be rough with Advantage for Concentration, +12 to Con, and an EAC of 32 from Foresight and At-Will Shield.
Worth noting Sul Khatesh can cast Foresight for free every day. Advantage on everything. All attacks against her at disadvantage. With AC 26 and access to infinite use of Shield spell (AC 31 at disadvantage, good luck).
She can literally change shape at will into something else and use abilities it has. Any humanoid, beast or Giant up to CR 28. This includes Traxigor with their Time Stop. There's plenty of forms with useful abilities to exploit. I'm sure some of those abilities can help prevent or get out of grapples or get back into the antimagic areas.
Her statblock is interesting. Gotta say, there's a LOT you can do with those abilities.
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Click ✨ HERE ✨ For My Youtube Videos featuring Guides, Tips & Tricks for using D&D Beyond. Need help with Homebrew? Check out ✨ thisFAQ/Guide thread ✨ by IamSposta.
It's situational. The most Dangerous D&D monster of absolutely everything would have destroyed everything. So, all monsters have limits that put them as more dangerous in some situations versus others where they have little impact.
So, list the situations and people will probably easily come up with monsters that'll totally own those situations rather than try to argue universal standards for a nuanced question.
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Human. Male. Possibly. Don't be a divider. My characters' backgrounds are written like instruction manuals rather than stories. My opinion and preferences don't mean you're wrong. I am 99.7603% convinced that the digital dice are messing with me. I roll high when nobody's looking and low when anyone else can see.🎲 “It's a bit early to be thinking about an epitaph. No?” will be my epitaph.
The DM. A group of kobolds can destroy even a 20th level party if the DM prepares and sets the maps up intelligently. Just look up “Tuckers Kobolds” on the google machine. Even the toughest of monsters become just a paper exercise if the DM doesn’t play the monsters intelligently or understand the players and the characters they build.
It's situational. The most Dangerous D&D monster of absolutely everything would have destroyed everything. So, all monsters have limits that put them as more dangerous in some situations versus others where they have little impact.
So, list the situations and people will probably easily come up with monsters that'll totally own those situations rather than try to argue universal standards for a nuanced question.
Dangers are not always of the 'Destroy Everything' variety, and the most dangerous are arguably not that variety. And those who are contenders tend to be able to try now due to some external situation such as some ancient prophecy.
Any given evil deity could be plotting anything at any given time. Being a deity, they are much more open ended than any stat block
...and you just proved my point. It's situational. There's no universal "most dangerous".
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Human. Male. Possibly. Don't be a divider. My characters' backgrounds are written like instruction manuals rather than stories. My opinion and preferences don't mean you're wrong. I am 99.7603% convinced that the digital dice are messing with me. I roll high when nobody's looking and low when anyone else can see.🎲 “It's a bit early to be thinking about an epitaph. No?” will be my epitaph.
Some of the most dangerous creatures are really not designed well for effectiveness.
Just about any of the Swarms in reality should be able to take down just about any party. Especially the really tiny ones.
you get attacked by 10 rats in a swarm you are going to take serious damage. 2d6 is not nearly what they should be doing. I would think it would be more like 1d4 or 1d6 per rat.
I would like to know your opinion on what is the most dangerous d and d monster I think the tarrasque is the most dangerous monster!!! Reply in the comments!
Honestly... Nothing over CR 3 is threatening to player characters, not really. By the time the party hits level 5 they should dominate the battlefield. So you have to look at low CR monsters, things a DM will put against a level 1 or 2 party. Something from the Core system ie DMG.
ankheg CR 2 AC 14, +5 to hit 6 to 21 damage, or dex save 13 or take 3 to 18 acid damage.
This monster has probably caused more level 1 party wipes than any other. esp because of the nostalgia of it being something from Baldur's Gate 1.
I would like to know your opinion on what is the most dangerous d and d monster I think the tarrasque is the most dangerous monster!!! Reply in the comments!
Though it is homebrew, he does exist in the forgotten realms in the Red Wizards Of Thay.

It really depends who is in the party. If you have someone who flies, then a Tarrasque, RAW, is impotent.
If you're not willing or able to to discuss in good faith, then don't be surprised if I don't respond, there are better things in life for me to do than humour you. This signature is that response.
Likewise, if you have a party of primarily casters, Sul Khatesh will absolutely slaughter them by turning off the magic with Arcane Cataclysm. Orcus can summon Dracoliches and/or regular liches, which is pretty neat. Marut can't miss attacks and hits like a truck, for exactly 120 damage every turn and has you succeed a DC 20 check or be banished sigil until further notice, which is decently powerful.There is a lot of options! all of them will TPK. (except Marut. Marut will not kill. unless you try to kill it first. let yourself be banished. It's the best option.)
I write homebrew and don't publish it. (evil, I know)
3e cat
Adventurers.
Find your own truth, choose your enemies carefully, and never deal with a dragon.
"Canon" is what's factual to D&D lore. "Cannon" is what you're going to be shot with if you keep getting the word wrong.
Nah mate. A single adventurer would be curb stomped by Tiamat. The only reason Adventurers are powerful is because they travel in packs.
I write homebrew and don't publish it. (evil, I know)
Danger is circumstantial, as others are illustrating.
Any kind of intelligent shapeshifter with half-decent charisma could absolutely destroy a party of adventurers without even raising a sword, but that's not "fun" for the group outside of classic villain arcs.
If we assume a "Matrix-style" clean room on the Material Plane for classic 6 on 1 combat, then it will generally depend on the strengths of the party, but anything that can fly fast, and has a long range attack could pose a serious challenge.
Case in point: The Aspect of Bahamut has Change Shape, 120ft fly, and a 300ft cone of radiant damage. It could effectively stay outside of spell range except to torch the ground whenever its breath recharges.
If engaged in a mass combat situation, it can use its alternate resurrection breath weapon to potentially keep 10's of thousands of friendly allies alive as needed.
I mean... at these tiers of power, the only way a party of adventurers ever stands a chance of winning is if the plot requires it.
Definitely Sul Khatesh. If she remains in the area of her Arcane Cataclysm after using it, magical weapons can't hurt her. To do any damage at all, you need to nonmagically transport her outside of the area or use nonmagical damage other than poison and BPS.
I have a weird sense of humor.
I also make maps.(That's a link)
Well, there's only one Tiamat but there's a lot of adventurers. If you compare the typical amount of damage Tiamat does compared to adventurers across any randomly selected kingdom, I believe you'll find that the adventurers are considerably worse.
(Yes, I am making a simantic argument here because I'm being silly. But Adventurers are actually pretty dangerous.)
Find your own truth, choose your enemies carefully, and never deal with a dragon.
"Canon" is what's factual to D&D lore. "Cannon" is what you're going to be shot with if you keep getting the word wrong.
It's an incredible ability, but if the "danger" is contingent upon immediately rushing in, then... don't? If Sul doesn't immediately use Teleport or Gate as a "Get Out of Jail Free" card, then just go have some coffee and take a short rest until the effect ends.
There would have to be a plot device that forces the party to engage on Sul's terms... like casting some kind of world ending ritual spell and the party needs to continuously break concentration, which would be rough with Advantage for Concentration, +12 to Con, and an EAC of 32 from Foresight and At-Will Shield.
Worth noting Sul Khatesh can cast Foresight for free every day. Advantage on everything. All attacks against her at disadvantage. With AC 26 and access to infinite use of Shield spell (AC 31 at disadvantage, good luck).
She can literally change shape at will into something else and use abilities it has. Any humanoid, beast or Giant up to CR 28. This includes Traxigor with their Time Stop. There's plenty of forms with useful abilities to exploit. I'm sure some of those abilities can help prevent or get out of grapples or get back into the antimagic areas.
Her statblock is interesting. Gotta say, there's a LOT you can do with those abilities.
Click ✨ HERE ✨ For My Youtube Videos featuring Guides, Tips & Tricks for using D&D Beyond.
Need help with Homebrew? Check out ✨ this FAQ/Guide thread ✨ by IamSposta.
It's situational. The most Dangerous D&D monster of absolutely everything would have destroyed everything. So, all monsters have limits that put them as more dangerous in some situations versus others where they have little impact.
So, list the situations and people will probably easily come up with monsters that'll totally own those situations rather than try to argue universal standards for a nuanced question.
Human. Male. Possibly. Don't be a divider.
My characters' backgrounds are written like instruction manuals rather than stories. My opinion and preferences don't mean you're wrong.
I am 99.7603% convinced that the digital dice are messing with me. I roll high when nobody's looking and low when anyone else can see.🎲
“It's a bit early to be thinking about an epitaph. No?” will be my epitaph.
The DM. A group of kobolds can destroy even a 20th level party if the DM prepares and sets the maps up intelligently. Just look up “Tuckers Kobolds” on the google machine. Even the toughest of monsters become just a paper exercise if the DM doesn’t play the monsters intelligently or understand the players and the characters they build.
Intellect Devourer Low enough CR that even a starting party might face one, dangerous enough abilities that even a max level party might lose people.
...and you just proved my point. It's situational. There's no universal "most dangerous".
Human. Male. Possibly. Don't be a divider.
My characters' backgrounds are written like instruction manuals rather than stories. My opinion and preferences don't mean you're wrong.
I am 99.7603% convinced that the digital dice are messing with me. I roll high when nobody's looking and low when anyone else can see.🎲
“It's a bit early to be thinking about an epitaph. No?” will be my epitaph.
Some of the most dangerous creatures are really not designed well for effectiveness.
Just about any of the Swarms in reality should be able to take down just about any party. Especially the really tiny ones.
you get attacked by 10 rats in a swarm you are going to take serious damage. 2d6 is not nearly what they should be doing. I would think it would be more like 1d4 or 1d6 per rat.
etc
Why would a swarm be dealing more damage per member of the swarm than an individual of that creature type does on its own?
Find your own truth, choose your enemies carefully, and never deal with a dragon.
"Canon" is what's factual to D&D lore. "Cannon" is what you're going to be shot with if you keep getting the word wrong.
I think because when there's more there are more confident and stronger together! But I'm not sure...
Honestly... Nothing over CR 3 is threatening to player characters, not really. By the time the party hits level 5 they should dominate the battlefield. So you have to look at low CR monsters, things a DM will put against a level 1 or 2 party. Something from the Core system ie DMG.
ankheg CR 2 AC 14, +5 to hit 6 to 21 damage, or dex save 13 or take 3 to 18 acid damage.
This monster has probably caused more level 1 party wipes than any other. esp because of the nostalgia of it being something from Baldur's Gate 1.