Nightmare

Large Fiend, Neutral Evil
Armor Class: 13 (natural armor)
Hit Points: 68 (8d10 + 24)
Speed: 60 ft., fly 90 ft.
STR
18 (+4)
DEX
15 (+2)
CON
16 (+3)
INT
10 (+0)
WIS
13 (+1)
CHA
15 (+2)


Source: Monster Manual