Black knight

Dark Soul. The black knight cannot be frightened or charmed.

 Loyalty. If a player tries to use any Charisma roll against the black knight, they must roll with disadvantage.

Multiattack(Combo). The knight makes three melee attacks. With each successful hit 15 is added to damage. Example: first roll 15+15=30 next hit 30+15=45 last hit 45+15=60 total 135 if all three hit. If middle attack misses reroll damage for third.

Glaive. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 10 (1d10 + 5) slashing or piercing damage.

Greatsword(one-handed). Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 5) slashing damage.

Ultra Greatsword(versatile). Melee Weapon Attack: +10 to hit, reach 5 ft., one target plus two adjacent. Hit: 17 (2d10(2d12) + 5) slashing damage.

Leadership (Recharges after a Short or Long Rest). For 1 hour, the black knight can utter a special command or warning whenever a nonhostile creature that it can see within 30 feet of it makes an attack roll or a saving throw. The creature can add a d6 to its roll provided it can hear and understand the knight. A creature can benefit from only one Leadership die at a time. This effect ends if the black knight is incapacitated.

Parry. when the Black Knight is hit by a melee attack, he can make a Strength(athletics) check against the attack roll. If the Strength(athletics) check is higher than the attack roll, he takes no damage from the attack, and can immediately make an attack against the original attacker.

Unblockable. Usable up to three times the Black Knight may choose to make an attack that would fail succeed.