Ye Olde Shoppe of Magicks – Coven Ants

Another Magical Creature

Coven Ants
Small Swarm of Tiny Beasts (Magical), Chaotic Neutral

Armor Class 14 (Chitinous Coordination)
Hit Points 75 (10d8 + 30)
Speed 30 ft., climb 30 ft.
STR 6 (-2) DEX 16 (+3) CON 16 (+3)
INT 12 (+1) WIS 14 (+2) CHA 13 (+1)

Saving Throws DEX +6, WIS +5
Skills Acrobatics +6, Arcana +4, Performance +4
Damage Resistances bludgeoning, piercing, slashing (nonmagical)
Damage Immunities poison
Condition Immunities charmed, frightened, grappled, paralyzed, petrified, prone, restrained, stunned
Senses blindsight 30 ft., tremorsense 60 ft., passive Perception 12
Languages understands Common, Infernal, and “Ant Sign Language,” but can’t speak
Challenge 6 (2,300 XP) — Proficiency Bonus +3

Traits
Swarm Form. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny creature. The swarm can’t regain hit points or gain temporary hit points.
Choreographed Casting. The Coven Ants must have at least half their hit points to cast spells; below that, their formations become too ragged. Spellcasting is a collective effort—hundreds of tiny limbs weave intricate sigils in the air.
Spellcasting. The Coven Ants are a 7th-level spellcaster. Their spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). They require no material components, substituting synchronized movement.

They know the following spells:
Cantrips (at will): dancing lights, minor illusion, mage hand
1st level (4 slots): magic missile, shield
2nd level (3 slots): mirror image, misty step
3rd level (3 slots): counterspell, fireball
4th level (1 slot): greater invisibility

Actions
Mandible Swarm. Melee Weapon Attack: +6 to hit, reach 0 ft., one creature in the swarm’s space. Hit: 21 (6d6) piercing damage, or 10 (3d6) piercing damage if the swarm has half its hit points or fewer.
Fireball Formation (Recharge 5–6). The swarm erupts into a precise, spiraling sigil that detonates in flame. This functions as the fireball spell (spell save DC 14), but the explosion is accompanied by synchronized high-kicks and pirouettes in miniature.

Tactics
The Coven Ants open with mirror image or greater invisibility, then weave into their signature fireball. They swarm over melee attackers, biting while spellcasting from within the target’s space.

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