Multiattack

The glabrezu makes two Claw attacks and two Pincer attacks, or it makes four Crackling Flame Bolt attacks. It can replace both Claw attacks with two Crackling Flame Bolt attacks.

Claw

_Melee Weapon Attack:_ +9 to hit, reach 5 ft., one target. _Hit:_ 10 (2d4+5) slashing damage plus 3 (1d6) fire damage and 3 (1d6) lightning damage.

Pincer

_Melee Weapon Attack:_ +9 to hit, reach 10 ft., one target. _Hit:_ 16 (2d10+5) bludgeoning damage. If the target is a Medium or smaller creature, it is grappled (escape DC 17). The glabrezu has two pincers, each of which can grapple only one target.

Crackling Flame Bolt

_Ranged Spell Attack:_ +7 to hit, range 60 ft., one target. _Hit:_ 6 (1d6+3) fire damage plus 10 (3d6) lightning damage.