Sources
CR
Type
Size
Alignment
Movement

Glass Pegasus

Large Construct, Chaotic Good

Armor Class 15 while animated and 13 otherwise
Hit Points 59 (7d10 + 21)
Speed 60 ft., fly 90 ft.
STR
18
+4
DEX
15
+2
CON
16
+3
INT
10
+0
WIS
15
+2
CHA
13
+1
Saving Throws DEX +4, WIS +4, CHA +3
Skills Perception +6
Condition Immunities Charmed, Exhaustion, Frightened, Paralyzed, Petrified
Senses passive Perception 16
Languages Celestial, Common, Elvish and Sylvan but can't speak
Challenge 2 (450 XP)

Actions

Hooves. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit:11 (2d6 + 4) bludgeoning damage.