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One way I've done swarms in the past is treating the swarm as an amorphous blob of things. At the end of the round, anyone in a space covered by the swarm takes a certain amount of damage.
Alternatively, if they're more annoying than dangerous, anyone that takes an action in a swarm space rolls with disadvantage.
appreciate it, thanks!
Give him a personal sidequest. His bad luck is due to a curse, and there's something he can do to break it, or at least compensate for it, and you can implement it with a 1 weapon or something to boost his spellcasting skill.
But a swarm would work too, where it has low AC and you whittle it down each turn.
Any reason the typical swarm statblocks won't narratively work in such a case?
If you want to homebrew something, maybe make a swarm of x goblins with very low AC, say 3-5, with similar HP. When a character hits, they hit multiple goblins per attack assuming they roll double the given AC. In most hits they'd be taking down at least two or three targets is what I'm envisioning.
Then the swarm reacts after each attack, using x number of the swarm per attack, with maybe three different tiers of attacks available, and each goblin can only go once per round.
As such, as the battle wears on they make fewer and less effective attacks.
But this all recreates what a swarm statblock is to some extent.
Guess i didn't realize there was an existing stat block. I don't really want to do something like insects though. but yeah, you got the idea on the rest of it. this is pretty much what i was looking for. basically i want to give the on PC that can't hit shit some optimism and start killing a few things instead of the druid that headbutts everything to death. Thank you
Here's a link to one of the basic swarms from the 5e SRD:
It doesn't have all the features I talked about but it does follow the same concept. It's an abstraction of how a crowd might behave.
You could put them all on the same turn in initiative order give them 1hp. AFAIU this is basically what 4th edition minions were.
This stack exchange question sort of describes 4e minions.
A slightly better variant on 1hp is giving them regular HP but they die when taking any damage, that way sleep doesn't knock out like 20 dudes.
Also save spells deal no damage on a success.
The 4e minion with this exact adjustment you describe is precisely how our our table handles it.
My players love it when I throw swarms at them - an epic pile of miniatures on the table, carving a swathe through your enemies... it's great power fantasy stuff, and a nice way of emphasising how powerful leveled characters are.
I thought you were asking about how you would play a player who was a swarm. Like the ant guy on Rick & Morty. That would be interesting.
Now i'm just imagining a wizard casting enlarge/reduce on themselves to shrink and attacking with an army of ants.
Screw it, time to make a Druid with said ability that loves ants.
could be interesting for sure. might be my next NPC.
It's been a while since I've run D&D but there's some info to be gleaned from how Pathfinder runs swarms. My procedure is based off of some PF2e rules together with some house rulings for off the cuff swarms, and is intended to be quick, minimising admin and adding some exciting flavour to the encounter:
Choose your creature(s) which occupy the swarm
Set the AC to the lowest AC among creatures in the swarm
Don't worry about the precise number of creatures in a swarm. Just do it based on size. If you want a rough idea of how many creatures fit into a swarm of a certain size, have 4-6 creatures of the same size occupy a space one size category larger. 4-6 groups of creatures of a certain size form a group of one size category larger.
Take average HP of the most populous creature in the swarm. For each size category the swarm is above that creature's size category, multiply that average HP by 4.
Characters can occupy the same space as the swarm with no penalty
Any creature sharing space with the swarm is automatically hit, assign damage based on the median among damage values in the swarm (5 snakes and 8 kobolds, probably does the damage of a kobold. Could roll luck to see if they take a random venomous bite)
Swarms are immune to grapple, restrained, prone, etc. Swarms are vulnerable to area spells.
Optional: Mind altering magic could affect a swarm hive mind as if the swarm is a single creature. This is completely discretionary. You could probably manipulate a swarm of bees with a single charm spell, but not a city-spanning mob.
Optional: Give resistance to B/P/S damage. If a significant number of creatures in the swarm have a resistance (down to your judgement), add that resistance to the swarm.
Optional: Characters in the middle of a swarm could probably swing wildly and hit something. Give players advantage if they are attacking the swarm while stood in the swarm
Optional: Be narrative about the health of the swarm. Every so often mention one or two of the swarm falling dead or disengaging from the conflict.
thanks for the in depth answer.
Multiply out the HP by however many you want there to be. Give them multi attack to that number. Say for example it’s 5 goblins in a swarm; every 20% HP lost it loses an attack (do the math ahead of time if it’s a funky number).
To make things less swingy run 2-4 swarms instead. Say you want 20 goblins, make swarm pods of 5 each.
If the enemies are so far below my players that, if not for a 1 being an automatic failure, they could even roll a 1 and still succeed, I don't even have them roll. Like if a player wanted to stab a random villager, they can just go ahead and do that; non-adventurers usually aren't even level 1.
The one time I had a big swarm of weak kobolds in a cave was with an epic level campaign where everyone started at level 20 and my wizard decided to cast max level fireball into the middle of the room, which collapsed the cave and killed everything.
Of course that player got mad at me, despite the other 3 players begging him not to cast the spell and all 4 of them, including the wizard, passed their rolls to see the cave wasn't stable. Everyone knew what would happen except the dumbdumb playing the wizard. 🤦♂️
Sounds like it’s time to steal the concept of minions from 4e. Minions are specifically meant to help players feel powerful while still posing a credible threat.
I know at least one is getting frustrated with combat because he can’t roll to save his life.
Yeah, that's a feature of 5e combat, not a bug. It's what makes me despise combat. I miss three times, wait 20 minutes for my turn to come back around, miss three more times, wait 18 minutes, and then combat is over.
Some of us are just cursed. The only workarounds I've found so far are:
Specialize in making the DM roll saving throws, rather than me rolling attack rolls. A spellcaster who focuses on save-for-half spells feels so much better (because even when the monsters pass the save, the player still get to feel useful).
Specialize in party buffs and reaction spells. They don't have to roll anything to Enlarge or Dragon's Breath their friends, and they get to feel like they helped. Also, never underestimate how good it can feel to make a Counterspell bot. Even if the bad guys start upcasting their spells and your player always fails the check, they still made them waste a higher-level spell slot than they'd have used otherwise.
Halfling Divination Wizard with the Lucky feat. Three re-rolls, two portent dice, and rerolling all 1s once really helps brute force one's way through being cursed. And it's not broken when people like us play it, because we end up finally managing to get around the same number of successes that non-cursed people get normally.
Notice that none of these solutions are possible with pure martial classes. Steer your player away from those, maybe even let him make a new character. Martials are totally at the mercy of the dice.
My ultimate solution was to switch systems and play FATE instead. But that's an extreme reaction to an extreme level of frustration.
Elf or half-elf rogue with Elven Accuracy and using Steady Aim is another great option. 3d20 for each attack with gobs of sneak attack
This player already switched from rogue because he didn't like the playstyle, is now a barbarian and still can't hit shit.