Thri-kreen Gladiator

Medium Monstrosity, Any Alignment

Armor Class: 17 (natural armor)
Hit Points: 142 (19d8 + 57)
Speed: 30 ft.

STR
18 (+4)

DEX
18 (+4)

CON
16 (+3)

INT
10 (+0)

WIS
15 (+2)

CHA
11 (+0)