Actions

Multiattack.

The githyanki makes three Staff attacks, three Telekinetic Bolt attacks, or a combination thereof.

Staff.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) bludgeoning damage, or 6 (1d8 + 2) bludgeoning damage when used with two hands, plus 14 (4d6) psychic damage.

Telekinetic Bolt.

Ranged Spell Attack: +8 to hit, range 60 ft., one target. Hit: 20 (3d10 + 4) force damage.

Spellcasting (Psionics).

The githyanki casts one of the following spells, requiring no spell components and using Wisdom as the spellcasting ability (spell save DC 16):

At will: druidcraft, light, mage hand (the hand is invisible)
2/day each: invisibility (self only), pass without trace (self only)
1/day each: dominate monster, forcecage, plane shift, telekinesis

Bonus Actions

Astral Step (Recharge 4–6).

The githyanki teleports, along with any equipment it is wearing or carrying, up to 30 feet to an unoccupied space it can see.

Githyanki Xenomancer