Multiattack

The remorhaz makes a bite attack and then a constrict attack.

Bite

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) piercing damage plus 3 (1d6) fire damage.

Constrict

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) bludgeoning damage and the target is subjected to the remorhazs Heated Body trait. The target is grappled (escape DC 15) and restrained while grappled. Until this grapple ends the remorhaz can't grapple another creature.