Armor Class 17 ({@item half plate armor|PHB|half plate})
Hit Points 130 (20d8 + 40)
Speed 30 ft.
Saving Throws CON +6, INT +7, WIS +6
Skills Insight +6, Perception +6, Stealth +6
Senses passive Perception 16
Languages Gith
Challenge 10
Multiattack. The githyanki makes three Longsword or Telekinetic Bolt attacks, or it makes one of those attacks and uses Spellcasting.
Longsword. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) slashing damage, or 8 (1d10 + 3) slashing damage if used with two hands, plus 22 (5d8) psychic damage.
Telekinetic Bolt. Ranged Spell Attack: +7 to hit, range 120 ft., one target. Hit: 28 (8d6) force damage.
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.
Mordenkainen Presents: Monsters of the Multiverse, p. 140