Boudicca, Giant Wolf Spider (Warrior Sidekick Level 5)

Spider Climb. The spider can climb difficult surfaces, including along ceilings, without needing to make an ability check.

Bonus Proficiencies. At 1st level, Boudicca gains proficiency on Dexterity saving throws. In addition, Boudicca gains additional proficiency in three skills: Acrobatics, Athletics, and Survival.

Danger Sense. Beginning at 2nd level, Boudicca has advantage on Dexterity saving throws against effects that it can see, such as traps and spells.

This feature doesn’t work if the sidekick is incapacitated.

Improved Critical. Starting at 3rd level, Boudicca’s attack rolls score a critical hit on a roll of 19 or 20 on the d20.

Ability Score Improvement. At 4th level, and again at 6th, 8th, 12th, 14th, 16th, and 19th level, Boudicca increases one ability score by 2, or increases two ability scores of your choice by 1.

Boudicca can’t increase an ability score above 20 using this feature.

At 4th level, Boudicca increased Dexterity by 2.

Extra Attack. Beginning at 5th level, Boudicca can attack twice, instead of once, whenever it takes the Attack action on its turn.

The number of attacks increases to three when Boudicca reaches 11th level and to four when it reaches 20th level.

Bite. Melee Attack Roll: +7, reach 5 ft. Hit: 5 (1d4 + 4) Piercing damage plus 5 (2d4) Poison damage.

Second Wind. Starting at 1st level, Boudicca can use a bonus action on its turn to regain hit points equal to (1d10 + its level in this class). Once it uses this feature, it must finish a short or long rest before it can use it again.

Boudicca can use this feature twice between rests starting at 18th level.