Multiattack

The bugbear champion makes two Spiked Club attacks and one Shield Smash attack, or it makes three Javelin attacks.

Spiked Club

_Melee Weapon Attack:_ +6 to hit, reach 5 ft., one target. _Hit:_ 13 (2d8+4) piercing damage.

Shield Smash

_Melee Weapon Attack:_ +6 to hit, reach 5 ft., one target. _Hit:_ 9 (2d4+4) bludgeoning damage. If the target is a creature, it must succeed on a DC 14 STR save or be knocked prone.

Javelin

_Melee or Ranged Weapon Attack:_ +5 to hit, reach 5 ft. or range 30/120 ft., one target. _Hit:_ 10 (2d6+3) piercing damage in melee or 5 (1d6+2) piercing damage at range.