Berserker (20th Level Barbarian)

Special Equipment. The berserker has a magical greataxe (+3), (included in it's statistics). 

Relentless Rage. Constitution Saving Throw, whenever the berserker drops to 0 Hit Points while it's raging and doesn't die outright, DC 10 (+5 each subsequent times, resets to 10 after a short or long rest), Success : The Berseker drops to 1 Hit Point instead.

Danger Sens. The berserker has Advantage on Dexterity saving throws against effects that it can see, such as traps and spells, provided it doesn't have the Blinded, Deafened, or Incapacitated conditions.

Reckless. At the start of its turn, the berserker can gain Advantage on all melee weapon attack rolls it makes during that turn, but attack rolls against it have Advantage until the start of its next turn.

Feral Instinct. The berserker has Advantage on initiative rolls. Additionally, if it is surprised at the beginning of combat and isn't Incapacitated, it can enter a rage and can act normally on it's first turn.

Unarmored Defense. While the berserker is wearing no armor and wielding no shield, its AC includes its Constitution modifier (included in it's statistics).

Brutal Critical. When the berserker scores a critical hit, it deals three additional dices of damage.

Indomitable Might. The berserker can't roll lower than 24 on a Strenght check.

Multiattack. The berserker makes two attacks, using Greataxe or Javelin in any combination.

Greataxe (+3). Melee Weapon Attack : +15 to hit, reach 5 ft., one target. Hit : 16 (1d12 + 10) Slashing damage, or 20 (1d12 + 14) Slashing damage if raging.

Javelin. Melee or Ranged Weapon Attack : +9 to hit, reach 5 ft or range 30/120 ft., 1 target. Hit : 10 (1d6 + 7) Piercing damage, or 14 (1d6 + 11) Piercing damage if raging in melee.

Intimidating Presence. Wisdom Saving Throw, DC 15, one creature within 30 feet that can see or hear the berserker, Failure : The creature has the Frightened condition until the end of the berserker's next turn, or until it ends its turn out of line of sight or more than 60 feet away from the berserker. On subsequent turns, the berserker can use it's action to extend the duration of this effect until the end of it's next turn. Success : That creature is Immune to the berserker's Intimidating Presence for 24 hours.

Relentless Rage. The berserker enters a rage, or ends it. While raging, the berserker gains the following benefits if it isn't wearing heavy armor:

• It has advantage on all Strength checks and Strength saving throws.
• When it makes a melee weapon attack using Strength, it gains a (+4) bonus to the damage roll (included in the attack)
• It gains resistance to Bludgeoning, Piercing, and Slashing damage.

• It can't have the Charmed or Frightened conditions while raging. If it is Charmed or Frightened when it enters a rage, the effect is suspended for the duration of the rage.

The rage lasts for 1 minute or until the berserker has the Unconscious condition.

When entering a rage, the berserker can choose to enter a Frenzied Rage instead. When it does so, it can make a weapon attack as a bonus action on the following turn, but takes a point of exhaustion when it ends.

Frenzied Attack (Requires to be in a Frenzied Rage). The berserker makes a weapon attack.

Retaliation. Trigger : The berserker takes damage from a creature that is within 5 feet of it. Response : The berserker makes a melee weapon attack against that creature.