Lyssara, the River's Quietus

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Medium Elemental (water), Neutral Evil

Armor Class 15 (natural armor)

Hit Points 91 (14d8+28)

Speed 30 ft. swim 40 ft.

STR 16 (+3)

DEX 14 (+2)

CON 14 (+2)

INT 12 (+1)

WIS 12 (+1)

CHA 8 (-1)

Saving Throws Con +5, Wis +4

Skills Stealth +5, Perception +4

Damage Resistances cold

Damage Immunities poison

Condition Immunities poisoned

Senses darkvision 60 ft., passive Perception 14

Languages Common, Aquan

Challenge 6 (2,300 XP) Proficiency Bonus +3

Amphibious. The creature can breathe air and water.

Keen Senses. The river spirit has advantage on Wisdom (Perception) checks that rely on sight, hearing, or smell.

Actions

Multiattack. The river spirit makes two Bite attacks and one Water Whip attack.

Bite. Melee weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6+3) piercing damage.

Water Whip. Melee weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 12 (2d8+3) bludgeoning damage. If the target is Medium or smaller, the river spirit can pull the target 5 feet toward it.

Illusory Calm (Recharge 5-6). The river spirit creates a tranquil illusion of water within 20 feet, forming a calm pool that seduces the minds of those who gaze upon it. Each creature in the area must succeed on a DC 14 Wisdom saving throw or become charmed for 1 minute. While charmed, the target treats the water as safe and may be drawn toward the pool, potentially stepping into a location where it can be overwhelmed by actual water and drowned. The charm ends early if the target is attacked or if the illusion is dispelled.

Environment River, Forest

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Lore & Description

Appearance

Lyssara appears as a shimmering, semi-transparent humanoid figure with skin like polished river stones. Its hair flows like living water, shifting colors with the current, and its eyes glimmer like the depths of a pool. A cloak of wavering liquid clings to its shoulders, and a faint mist clings to the air around it. It moves with a dancer's grace along banks and beneath the surface, bending water to its will.

Behavior & Origins

Lyssara is a river's essence given form, born from a tranquil stream that granted it sentience. It blesses those who respect the river but feasts upon those who desecrate or exploit its waters. It lures travelers with the illusion of a resting, safe pool—calm, inviting, and deadly. Encountered along river bends, floodplains, or during rains when the currents run strong, Lyssara tests travelers' resolve before revealing its true, drowning embrace.

Generation Info

Original prompt:
"A river spirit that drowns victims with illusory calm water."

Created: Feb 2, 2026
Modified: May 31, 2026