Helpful. The expert can take the Help action as a bonus action..
Cunning Action. On the expert’s turn in combat, it can take the Dash, Disengage, or Hide action as a bonus action.
Expertise. Choose two of the expert’s skill proficiencies. The proficiency bonus is doubled for any ability check the expert makes that uses either of the chosen proficiencies.
Keen Hearing and Smell. The wolf has advantage on Wisdom (Perception) checks that rely on hearing or smell.
Pack Tactics. The wolf has advantage on attack rolls against a creature if at least one of the wolf's allies is within 5 feet of the creature and the ally isn't incapacitated.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 2) piercing damage. If the target is a creature, it must succeed on a DC 11 Strength saving throw or be knocked prone.
Description
A sidekick is proficient with any armor, weapons, and tools included in its stat block. In addition, experts are proficient with simple weapons, rapiers, shortswords, and light armor.