Wizards of the Coast has previewed (part of) the stat block for one of its iconic monsters on social media. Take a look!
The PC's also can't drop the Dragon in a single round generally. Them not being able to wipe each other the second the fight starts does not mean there is no real fight.so then what are they supposed to do? just bat around some hitpoints for 3 rounds and then die?
Again this is a fight 7 CR higher than the players, if the dragon cannot even drop a PC in a round let alone kill them....than there is no real fight.
Here's another way to put it in context. Take a 5th level party versus a CR12 yuan-ti anathema (which is the same 7 CR higher, and it was the first monster that came up in my list).The PC's also can't drop the Dragon in a single round generally. Them not being able to wipe each other the second the fight starts does not mean there is no real fight.
Being multiple CR's ahead is not the be all end all.Here's another way to put it in context. Take a 5th level party versus a CR12 yuan-ti anathema (which is the same 7 CR higher, and it was the first monster that came up in my list).
The 5th level wizard has 32 hp (with the 14 con). The anathema does 67 DPS when all attacks hit, DOUBLE the wizards hp. So this guy will easily drop a wizard, and with the right crit might even straight up kill him outright. And this snake isn't even legendary, he's just a straight up monster nothing fancy.
That is what 7 CR higher than your party is supposed to look like, DEADLY.
And a few other CR 12:
Enriyes: 66 DPS
Ironscale Hydra: 85 DPS (at CR12, almost as much as the dragon's main attack routine!)
Gith Kithrak: 84 damage
just to show that the anathema is not some fluke.
Fair enough, perhaps the Xp comparison is better. So that is ~5,800 xp or CR 10 for that 5th level party.Being multiple CR's ahead is not the be all end all.
A high level character is multiple times stronger than a low level one. A High Difficulty Encounter for 4 Level 5s has a Budget of 4400 XP. A CR 12 Anathema nearly doubles that 8400, it's way beyond what they can handle.
The level 17s have a budget of 46,800. The Dragon's 62,000 is still higher but it does not nearly double that. And the Gold Dragon is capable of defeating fresh level 20s.
i think what you are failing to grasp is… a party is not supposed to fight any monster 10 CR higher than they are.
A 20th level party is not supposed to fight the tarrasque straight up, if they do…yes they are supposed to get obliterated, just as a 10th level party fighting a CR 20 legendary monster should do the same.
That is not a fight the PCS are supposed to just take on. They should bring an artifact or an army or ancient magic magguffin X
Or, y'know, acknowledge that some groups have more than 4 players in their party...At that point, don't put them in the game as a statblock. If they aren't meant to be fought, they shouldn't have a statblock
I get where you are coming from, but tier 4 PC's have so many features and abilities to regain HP, gain temp HP, gain resistances, increace AC, make enemies roll at disadvantage. Having played quite a bit at high level, the average DPR a monster is calculated with, rarely ever makes contact with the PC's.
And even if a PC gets obliterated, they are back up before the start of their next turn anyway because of healing, and they can still action surge and drop 8 attacks with advantage right away.
If you can't stop a tier 4 party from doing their regular play style, the monster will just melt down.