Explosive Icicle is a Water Myrmidon action. Myrmidons use this ability to shoot three explosive blasts of ice, freezing the surrounding ground.
Description
Hurl three tridents forged of glistening ice that pierce targets and create ice surfaces on impact.Properties
- Cost
Action
Damage: 9~72- Details
Ranged spell attack roll
Range: 18 m / 60 ft
AoE: 2 m / 7 ft (Radius)
Creates Area: Ice
Area: Ice

Duration: 2 turns
AoE: 2 m / 7 ft (Radius)
Difficult terrain - movement speed is halved and creatures may fall Prone.
Type: Surface
Condition: Prone
Spell save DC Dexterity saving throw
- Can't move or take
Actions,
Bonus actions, or
Reactions, and has
Disadvantage on
Strength and Dexterity saving throws.
- Attacks against a Prone creature have
Advantage if they're made within
3 m / 10 ft of the creature.
- A Prone creature must spend half its Movement Speed to stand up.
- A character with the Athlete feat spends only
1.5 m / 5 ft of Movement Speed to stand up.
- A character with the Athlete feat spends only
Condition: Difficult Terrain
- Movement Speed halved
How to learn
Used by creatures: Water Myrmidon
Notes
- The three projectiles can be targeted independently.
- A separate attack roll is made for each target hit in the explosion radius by each projectile.
- Allies can suffer collateral damage from the explosion, but it does not damage the myrmidon itself.
- This ability uses a ranged spell attack roll. The spellcasting ability for a myrmidon summoned with is Intelligence, but it has an Intelligence score of just 8. As a result, this ability will be considerably less accurate when used by a summoned myrmidon than when used by a druid with .