Blindsight 60 ft, Darkvision 120 ft
Common, Draconic
Acid
Traits
Amphibious
The monster can breathe air and water.
Legendary Resistance
If the monster fails a saving throw, it can choose to succeed instead.
Actions
Multiattack
The monster makes three attacks. It can replace one attack with a use of to cast Melf's Acid Arrow (level 4 version).
Rend
. .
Acid Breath
Dexterity Saving Throw: DC , each in a -foot-long, -foot-wide Line.
Failure: damage.
Success: Half damage.
Spellcasting
The monster casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC , +13 to hit with spell attacks):
At Will: Detect Magic, Fear, Melf's Acid Arrow (level 4 version)
1/Day Each: Create Undead, Speak with Dead, Vitriolic Sphere (level 5 version)
Prepared Spells
Detect Magic, Fear, Melf'S Acid Arrow, Create Undead, Speak With Dead, Vitriolic Sphere, Fear