When designing dungeons and adventures for a Dungeons & Dragons campaign, DMs will often include climactic boss battles that are more challenging than a standard encounter. However, due to variables such as a party's levels and the number of party members in a campaign, striking a good balance of difficulty can be tricky.

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Choose a boss that's too easy, and a party will steamroll it and remove tension. Choosing a foe that is too difficult can result in an unintentional TPK. This is quite common with low-level parties, as this is when party members are at their most fragile. So today, we're going to examine the monsters of D&D and discuss some that make suitable bosses for lower-level parties.

Updated February 13, 2025, by Lucas Olah: The 2024 book trinity is at last complete, as the updated version of the Monster Manual is finally out - albeit in 2025, but that's not the point. The point is that now we have extra monsters to cover, as well as old ones that have updated tricks up their sleeves, making them excellent additions to our list of low-level bosses to start off your campaigns with a bang.

Satyr

Envoy Of The Fey

Gallia of the Endless Dance by Johannes Voss

Challenge Rating

1/2

Size

Medium

Type

Fey

Source

2014 Monster Manual

The Satyr may seem like a strange entry on this list because their individual challenge rating is only 1/2. However, Satyrs aren't the challenge themselves. Many Satyrs carry panpipes on them, and when played, they can produce one of three different magical effects:

  • Charming Melody: charms nearby creatures
  • Frightening Strain: frightens nearby creatures
  • Gentle Lullaby: lulls nearby creatures to sleep

The effect only lasts a minute, but if a Satyr were to continue playing on and on, there's no reason they couldn't whip a group into such a frenzy that they would make for a chaotic, difficult boss fight for low-level players.

The 2024 version does not have these extra effects on their stat block, so you may want to use the older book in case you want to play around with this one.

Goblin Boss

If The Bugbear Is Too Much

Goblin by Taras Susak

Challenge Rating

1

Size

Small

Type

Fey (Goblinoid)

Source

2024 Monster Manual

Two of the best low-level bosses are the Bugbears or Hobgoblins, who can lead whole clans of goblinoids. That said, if you need something to appear quicker, say a leader to a goblin squad but not the whole clan, then maybe the Goblin Boss is what you need.

The monster is CR one, but their AC of 17 is particularly high for a party that is still on level one, and they can also redirect attacks on other people with their reaction, making them an amazing option to be the very first boss the party faces. They can even be good for parties at level two or three if they have some minions to back them up.

The CR three Goblin Hexer is also a great option if you want some spellcasting and a stronger Goblin overall.

Sphinx Of Wonder

Making Them Hit The Cat Is Kind Of Evil, Though

Sphinx of Wonder, by Hazem Ameen

Challenge Rating

1

Size

Tiny

Type

Celestial

Source

2024 Monster Manual

Sphinxes of Wonder are good creatures driven by curiosity, so you may want to tweak one's personality to use them as an evil guy. Regardless, these cats come with a few damage resistances, Magic Resistance, and an attack that deals two damage types, which makes them pretty deadly at level one.

They're both squishy and easy to hit, so it really depends on who goes first in the fight. They can also help allies with ability checks or saving throws, meaning they can have a few minions to help them out, and they can help in return.

Ogre Zombie

The Damage Sponge

Art by Andrey Kuzinskiy

Challenge Rating

2

Size

Large

Type

Undead

Source

2024 Monster Manual

An Ogre Zombie doesn't offer much more than regular zombies do; they hit and take damage. Undead Fortitude is also here, so they can resist killing blows through a saving throw, making them last a bit longer, especially since they have a +4 for the saving throw.

What makes them challenging is their hit points since they have 85 of those. Their AC is low, so they'll get hit constantly, but to beat 85 hit points of damage at level one or two will take a while, and Undead Fortitude will help them stay alive (as alive as a zombie can be) for a bit longer.

Dragon Wyrmling

Specifically, Black, Bronze, Green, Silver, Or White

Close

Challenge Rating

2 for Black, Bronze, Green, Silver, or White Wyrmlings. Other colors are stronger.

Size

Medium

Type

Dragon (Chromatic for Black, Green, and White; Metallic for Bronze and Silver).

Source

2024 Monster Manual

While ancient dragons are among the most dangerous monsters a party can fight in D&D, wyrmlings can make for solid boss fights for large parties of level one characters or average-sized parties of level two characters.

While the wyrmling's bite can deal sizable chunks of damage, especially to low-level characters, the dragon can still attack twice or use its breath attack. When the wyrmling uses its breath attack and its low save DC is met, a creature is likely to take roughly ten damage, which is far from devastating, but if someone happens to fail, it will hurt.

Among the CR two options we offered, we recommend using the chromatics not only because they tend to be the evil ones but also because they actually don't hit as hard.

Bandit Captain

Up To No Good

Bandits by Katerina Ladon

Challenge Rating

2

Size

Medium or Small

Type

Humanoid

Source

2024 Monster Manual

There are few D&D enemies out there as classic as bandits. They're normal folk who have taken up a life outside the law, and they're all too happy to rob, murder, or just make your adventuring party's lives harder in general.

A Bandit Captain and their cohort always make for a good boss at lower levels. It's believable and easy to tie into a previous encounter; plus, their difficulty can be adjusted easily. Depending on your party, you can add or subtract health, number of bandits, magic items, or even alter terrain and abilities to suit your difficulty.

Mimic

The Bane Of Players

Art by Mark Zug

Challenge Rating

2

Size

Medium

Type

Monstrosity

Source

2024 Monster Manual

Mimics are a staple of RPGs and can make for a fun boss for a party that thought the treasure at the end of a dungeon was left unguarded.

With a reasonable AC of 12 and 58 HP, the Mimic can't deal massive amounts of damage, and it relies instead on its element of surprise. Regardless, it can make for a solid first boss for a small party of level one adventurers.

Gargoyle

The Rock

Art by Kent Davis

Challenge Rating

2

Size

Medium

Type

Elemental

Source

2024 Monster Manual

Though groups of Gargoyles are more commonly used as encounters for a higher-level party, a single Gargoyle's stats are well suited for a party of four to five level-one characters.

Easily disguised as a statue, a boss fight against a gargoyle can be sprung upon a party as a surprise encounter. With 67 HP and an AC of 15, a Gargoyle won't go down without a fight against low-level characters and should provide a challenge without being oppressively difficult.

Though it makes two attacks every turn, its attacks of 2d4+2 are unlikely to immediately take a character out of commission unless they are the frailest of spellcasters.

Mummy

Curse These Adventurers!

Art by Brian Valeza

Challenge Rating

3

Size

Medium or Small

Type

Undead

Source

2024 Monster Manual

One of the most dangerous monsters for a low-level group is the Mummy - unless they have a lot of fire spells since Mummies are vulnerable to those. Still, they have a lot of immunities, can attack twice per turn, and have a decent health bar and damage output.

What makes them particularly dangerous is their main attack, Rotting Fist. It has two damage types and curses the target, making them lose some of their maximum HP every 24 hours, which will eventually lead to death. Remove Curse is a simple solution, but low-level groups won't have this spell yet - make sure you have a mini-quest or special NPC that can help them get rid of the curse.

Hobgoblin Captain

Put Some Order Among Goblins

Art by Taras Susak

Challenge Rating

3

Size

Medium

Type

Fey (Goblinoid)

Source

2024 Monster Manual

Hobgoblins are usually the strongest among goblinoids, not in raw strength like Bugbears, but in battle strategy. And while a Hobgoblin Warlord might be more suited for mid-level parties, the Captain works well.

They can attack twice per turn with either a melee or a ranged weapon (both attacks have two damage types), and they have an aura similar to paladins, which gives their allies an advantage on their attack rolls and saving throws, which means they're better bosses with some minions helping them out.