Armor Class 16
Hit Points 149 (23d8 + 46)
Speed 40 ft., fly 20 ft.
Saving Throws STR +7, DEX +5, CON +5, INT +7
Skills Perception +4, Stealth +8
Damage Resistances psychic
Senses Darkvision 60 ft., passive Perception 14
Languages Thri-kreen; telepathy 120 ft.
Challenge 8
Multiattack. The thri-kreen makes three Psionic Lance attacks.
Psionic Lance. m,r +7, reach 10 ft. or range 120 ft. Hit: 18 (4d6 + 4) Psychic damage.
Monster Manual (2024), p. 306