Shadow River Lord

Medium undead, Neutral Evil

Armor Class

16 (natural armor)

Hit Points

135 (18d8+54)

Speed

walk 30 ft., swim 60 ft.

Damage Resistances

cold, fire, necrotic; bludgeoning, piercing, slashing from nonmagical weapons

Damage Immunities

poison

Condition Immunities

charmed, exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained

Senses

darkvision 60 ft.

Languages

Common

Challenge

9

Amorphous

The shadow river lord can move through a space as narrow as one inch wide without squeezing.

Actions

Multiattack

The shadow river lord makes two greenfire staff or two shadowfrost bolt attacks. If two attacks hit the same target, the target must make a DC 16 Constitution saving throw or be blinded until the end of its next turn.

Greenfire Staff

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) bludgeoning damage plus 7 (2d6) fire damage.

Shadowfrost Bolt

Ranged Spell Attack: +8 to hit, range 150 ft., one target. Hit: 9 (2d8) necrotic damage plus 7 (2d6) cold damage.

Shadow Geyser (Recharge 6)

The shadow river lord expels a geyser of shadowy water from its staff in a 30-foot cone. Each creature in that area must make a DC 16 Dexterity saving throw, taking 21 (6d6) necrotic damage and 21 (6d6) cold damage on a failed save, or half as much damage on a successful one.