Sphinx of Valor

No magic can observe the monster remotely or detect its thoughts without its permission. Wisdom (Insight) checks made to ascertain its intentions or sincerity are made with Disadvantage.

If the monster fails a saving throw, it can choose to succeed instead.

The monster makes two attacks and uses .

. .

The sphinx emits a magical roar. Whenever it roars, the roar has a different effect, as detailed below (the sequence resets when it takes a Long Rest):
First Roar.
Wisdom Saving Throw: DC , each enemy in a -foot Emanation originating from the monster.
Failure: The target has the Frightened condition for .
Second Roar.
Wisdom Saving Throw: DC , each in a -foot Emanation originating from the monster.
Failure: The target has the Paralyzed condition, and it repeats the save at the end of each of its turns, ending the effect on itself on a success. After , it succeeds automatically.
Third Roar.
Constitution Saving Throw: DC , each in a -foot Emanation originating from the monster.
Failure: damage, and the target has the Prone condition.
Success: damage only.

The monster casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC ):
At Will: Detect Evil and Good, Thaumaturgy
1/Day Each: Detect Magic, Dispel Magic, Greater Restoration, Heroes' Feast, Zone of Truth