Skeletal Giant Owl

Large Undead, Neutral

STR
13 (+1)
DEX
15 (+2)
CON
12 (+1)
INT
8 (-1)
WIS
13 (+1)
CHA
10 (+0)
Flyby.

The owl doesn't provoke opportunity attacks when it flies out of an enemy's reach.

Keen Hearing and Sight.

The owl has advantage on Wisdom (Perception) checks that rely on hearing or sight.

Actions

Talons.

Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 8 (2d6 + 1) slashing damage.

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Skeletal Giant Owl

Source: Infernal Machine Rebuild, p. 33 - Licenses and attribution