Alucard

Time Shift:  When targeted by a ranged attack/spell, roll a Dex save of 15 or higher, if the monster succeeds, it takes no damage from the attack and moves 30 ft in any direction.

Undead paladin: This monster can cast Paladin spells up to level 5. refer to 20th level paladin information in the Player's Handbook for more information on spell slot usage etc.

Vampiric regeneration: This monster regenerates all lost limbs and gains 15HP at the start of every turn. (The effects of this trait are removed if this monster is under the sun)

This Monster can attack twice on each turn.  

Morningstar Blade: Melee attack: +8 to hit, reach 15ft., one target. Hit: 6d12 + 4 radiant damage. Roll a d8, if rolled a 8, target is set on fire and takes 1d4 every time it starts its turn on fire. 

Firespin: Melee attack: +6 to hit, reach 10ft., up to three targets. Hit: 4d12 +3 radiant damage and 1d20 force damage. Those who are hit are thrown back 15 ft. 

Mechanical Claw strike: Melee attack: +5 to hit, reach 20ft., one target. Hit: 6d6 + 7 necrotic damage. Target must roll a wisdom saving throw of 16 or higher, if failed, target becomes petrified for 2 turns. Recharge: 3 turns. 

 Quench Thirst: Melee attack: +7 to hit, reach 5ft., one target. Hit 3d20 + 4 slashing damage. Half the number of damage dealt is the amount of HP the attacker regains. Recharge: 3 Turns. 

Bloody Needle: Alucard takes out a needle filled with blood and injects herself, instantly regaining 15 HP. Recharge: 3 turns. 

Adrenaline Shot: Alucard pulls out a needle filled with a light blue elixir, she stabs herself and gains 1 spell slot of her choosing. Recharge: 5 turns. 

This monster can take 4 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. This monster regains spent legendary actions at the start of its turn. 

Warp: This monster teleports 60 ft in any direction of its choosing. 

Attack (uses 2 Actions): This monster uses any Non-Mythical action of its choosing. 

Displace: Teleport a creature 30ft in any direction. 

Mythic actions only become available after the monster reaches 0HP for the first time. 

When this monster reaches 0HP for the first time, it resurrects itself for half its original HP and gains access to the following actions. 

Moon's Bane Greatsword: Alucard slashes her greatsword at the air in front of her, a magical beam of pure light is produced, everyone within 80ft. must make a dexterity saving throw of 19 or higher, if failed, take 6d12 radiant damage and become blinded for 1 turn, if succeeded, take half as much damage. Recharge: 2 turns.

Chain Throw: Alucard throws chains at up to 3 targets, the targets must succeed a dexterity saving throw of 18 or higher, if failed, they are restrained until the chains are either broken or they are put into the dying state. Every turn they start restrained, they take 3d12 Necrotic damage and 2d8 Radiant damage. The chains can only be broken by physical means, and are immune to magical attacks. Recharge: 6 turns. 

Time Stop: Gain 1d4 extra actions, other creatures cannot perceive you during this time, they also fail all saving throws during your turn. Recharge: 3 turns. 

Total Eclipse: Alucard sends a beam of energy into the sky, directly into the sun. For 24 hours, the sun's light is blocked by a dark shroud. All open areas typically lit up by the sun are now dim light. Alucard also gains advantage on dexterity saving throws and gets +5 HP per turn in addition to the Vampiric Regeneration trait. Recharge: 9 turns.