Blood Knight General

Sneak attack.  Once per turn, the Blood Knight General deals an extra 25 (8d6) damage when it hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the Blood Knight General that isn't incapacitated and the Blood Knight General doesn't have disadvantage on the attack roll.

Assassinate. During its first turn, the Blood Knight General has advantage on attack rolls against any creature that hasn't taken a turn. Any hit the Blood Knight General scores against a surprised creature is a critical hit.

Evasion. When the Blood Knight is subjected to a Dexterity save it takes half damage on a failed save and no damage on a successful one.

Improved Critical. The blood knight general gets a critical hit on a 19 or 20. 

Legendary Resistance (3/Day). If the Blood Knight General fails a saving throw, it can choose to succeed instead.

Regeneration. The Blood Knight General regains 10 hit points at the start of its turn if it has at least one hit point. If it has taken radiant damage, or damage from holy water, this trait doesn't function at the start of the Blood Knight General's next turn.

Multiattack. The blood knight general makes three longsword attacks, or one longsword attack and one shield bash attack. It can also make two dagger attacks

Longsword. Melee Weapon Attack: +13 to hit, reach 5 ft., 1 target. Hit: 12 (1d8 + 7) [slashing] damage. This weapon is cursed. Any non Order of Blood user must make a DC 15 wisdom save every morning whilst in possession of this weapon, or falls to the curse of the blade and attacks anything and everything without control(for this the DM takes control of such a character)

Shield Bash . Melee Weapon Attack: +11 to hit, reach 5 ft., 1 target. Hit: 10 (2d4 + 5) [bludgeoning] damage and the target must make a DC 18 Strength saving throw it is knocked prone if Large or smaller. 

Poison Dagger.  Melee Weapon Attack: +11 to hit, reach 5 ft., 1 target. Hit:  7(1d4+5) [slashing] damage plus 18(4d8)  [poison] damage

Parry. The blood knight general adds 5 to its AC against one melee attack that would hit it. To do so, the blood knight general must see the attacker and be wielding a melee weapon.

Uncanny Dodge. When an attacker that the Blood Knight General can see hits it with an attack, the Blood Knight General can use its reaction to halve the damage dealt to it.

The Blood Knight General can take 3 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. The Blood Knight General regains spent legendary actions at the start of the turn.

Merciless Strike(Costs Up To 2 Actions). The Blood Knight General can use its shield bash on a creature within 5 feet. If the attack manages to knock the creature prone hit can then use another legendary action and make an attack with advantage against this prone creature. This attack gets the benefit of sneak attack.

Move. The Blood Knight General moves up to its speed without provoking opportunity attacks.

Rally. When the Blood Knight General uses this action all Blood Knights within 30 feet can move without provoking opportunity attacks. However, this move must be toward the Blood Knight General