Gynosphinx

The sphinx is a 9th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 16, +8 to hit with spell attacks). It requires no material components to cast its spells. The sphinx has the following wizard spells prepared:
Cantrips (at will): mage hand, minor illusion, prestidigitation
1st level (4 slots): detect magic, identify, shield
2nd level (3 slots): darkness, locate object, suggestion
3rd level (3 slots): dispel magic, remove curse, tongues
4th level (3 slots): banishment, greater invisibility
5th level (1 slot): legend lore

The Gynosphinx is immune to any effect that would sense its emotions or read its thoughts, as well as any divination spell that it refuses. Wisdom (Insight) checks made to ascertain the Gynosphinx's intentions or sincerity have disadvantage.

The gynosphinx's weapon attacks are magical.

3 legendary actions; one at a time at the end of another creature’s turn, regaining spent uses at the start of its turn

The gynosphinx makes two claw attacks.

Melee Weapon Attack: +8 to hit, reach 5 ft.. Hit: 13 (2d8 + 4) slashing damage.

The gynosphinx makes one claw attack.

Costs 3 legendary actions. The gynosphinx casts a spell from its list of prepared spells, using a spell slot as normal.

Costs 2 legendary actions. The gynosphinx magically teleports, along with any equipment it is wearing or carrying, up to 120 ft. to an unoccupied space it can see.