Weapon, very rare You have a +3 bonus to attack and damage rolls made with this piece of magic ammunition. Once it hits a target, the ammunition is no longer magical.

The sentries could be Shield Guardians. Mr Meville could have another Cultist Fanatic as his assistant, together controlling 12 Cultists.

Armor (padded), legendary You have a +3 bonus to AC while wearing this armor. Padded armor consists of quilted layers of cloth and batting.

Weapon (whip), very rare You have a +3 bonus to attack and damage rolls made with this magic weapon. Proficiency with a Whip allows you to add your proficiency bonus to the attack roll for any attack you make with it. This weapon has the following mastery property. To use this property, you must have a feature that lets you use it. Slow. If you hit a creature with this weapon and deal damage to…

On the Elemental Plane of Earth, galaxies of gemstones twinkle over vaults of treasure. If dao are there, so is wealth worth hunting. —Gundren Rockseeker, Dwarf Treasure Hunter Genies of minerals and gemstones, dao embody the resolve of rock. Using innate magic, they move through the earth unimpeded, exploring depths inaccessible to most. Dao delight in the treasures of the earth, whether raw…

Characters earn an advancement towards their next level. If they decline the advancement, they also do not earn any treasure but are still eligible to earn marks of prestige or other non-treasure rewards.

Weapon (warhammer), very rare You have a +3 bonus to attack and damage rolls made with this magic weapon. Proficiency with a Warhammer allows you to add your proficiency bonus to the attack roll for any attack you make with it. This weapon has the following mastery property. To use this property, you must have a feature that lets you use it. Push. If you hit a creature with this weapon, you can…

Weapon (crossbow, hand), very rare You have a +3 bonus to attack and damage rolls made with this magic weapon. Proficiency with a Hand Crossbow allows you to add your proficiency bonus to the attack roll for any attack you make with it. This weapon has the following mastery property. To use this property, you must have a feature that lets you use it. Vex. If you hit a creature with this weapon…

Try removing the flying swords. You could only have two drummers and six Cultists, including Mr Meville.

You could replace the Sea Hag with a Sahuagin Warrior, and the Sahuagin Warrior minions with Merfolk.

Try swapping the Sahuagin Warrior minions with Ghouls. Your Sea Hag could also summon a Water Elemental to fight alongside them.

Weapon (halberd), very rare You have a +3 bonus to attack and damage rolls made with this magic weapon. Proficiency with a Halberd allows you to add your proficiency bonus to the attack roll for any attack you make with it. This weapon has the following mastery property. To use this property, you must have a feature that lets you use it. Cleave. If you hit a creature with a melee attack roll…

Wondrous Item, legendary (requires attunement) Made of bleached and mutated bone, this idol in the shape of a stag contains the sinister knowledge of the Beast of Blight. It pulses with the power of rot and decay. While holding the idol, you can use it as a Spellcasting Focus for your spells, you gain a bonus to spell attack rolls and your spell save DC determined by the idol’s rarity, and you…

Devas are emissaries of divine will. These immortal messengers adopt the shapes of mystical beasts or idealized, winged mortals. As with all angels, their true forms are known only to the gods they serve. Rather than literal correspondence from a god, a deva conveys an allegory or quest to mortals, tasking them with delivering something to its rightful place. While the angel might be called on in…

Darklord of Desperation and Magical Disaster “You’re new, I can tell. Impress me, and maybe I’ll let you be my newest apprentice.” —Hazlik The paranoid, egomaniacal archmage Hazlik clings to his power despite his magical ambitions being supernaturally smothered. Since Hazlik entered Hazlan, his magic has become unstable. Spells he casts behave erratically and fade swiftly—most lasting no more…

Although all archmages have mastered incredible magical power, some specialize in a particular school of magic, pushing their abilities to greater heights in that area. These archmages stock their spellbooks with spells from their preferred school and have developed unique magical techniques. Evoker archmages wield unbridled destructive magic with surgical precision. They can carve out safe areas…

Abjurer archmages create powerful magical wards. Their magic allows them to quarantine dangerous foes, and they’re adept at nullifying the spells of even fellow archmages. Despite their focus on protective magic, abjurer archmages are formidable offensive combatants.

Medium Undead, Neutral Evil AC 20 Initiative +3 (13) HP Half the HP maximum of its summoner Speed 60 ft., Fly 60 ft. (hover)

Medium Undead, Unaligned AC 8 Initiative -2 (8) HP 30 (4d8 + 12) Speed 20 ft.

Necromancer archmages use necrotic magic to siphon life from their enemies and empower the undead. Many necromancers think nothing of raising the dead and sending them into battle.

Transmuter archmages transform themselves or their surroundings. These archmages manipulate combatants to suit their own whims.

Abjurer archmages create powerful magical wards. Their magic allows them to quarantine dangerous foes, and they’re adept at nullifying the spells of even fellow archmages. Despite their focus on protective magic, abjurer archmages are formidable offensive combatants.

Diviner archmages spy on distant lands and peer into the future. These archmages often anticipate others’ actions and react seconds before events occur.

Evoker archmages wield unbridled destructive magic with surgical precision. They can carve out safe areas in an explosive blast, shielding themselves and allies while obliterating foes.