he's haunted 

Dodge: Until the start of your next turn, any attack roll made against you has disadvantage if you can see the attacker, and you make Dexterity saving throws with advantage.

melee attack: deal 8d10 damage if attack lands

Extra Attack: attack 3 times in 1 turn 

life-steal attack: deal 6d10 damage if attack lands roll 2d4 get the total of the d4s and roll that many d10s and add the total to a bag man's hp

Opportunity Attack: You can make a melee attack against a player creature that moves out of your reach.

Counterspell:

Silvery Barbs: a creature/player within 60 feet succeeds on a d20 roll, you can force them to reroll it (and take the lower result). Then, you can give another creature within range advantage on their next d20 roll within 1 minute. 

Hellish Rebuke: you can cast as soon as a player deals damage to a bag man in combat. Upon casting Hellish Rebuke, your target must make a Dexterity saving throw and take 4d10 fire damage on a failed save, or half as much on a success.

Regenerate: on resaving damage heal 4d8 health 

1. Movement: this creature can move without provoking opportunity attacks.
2. touch of death on dealing damage heal 2d10 and deal 1d10 to all players and enemies 
3. grabby hands when attacking roll a d10 if you roll an even number the creature/player is grappled 
4. blinding fear on entering a fight with a bag man roll 2d4+1 get the result and roll that many d20s subtract the total from the d20s from their hp for the duration of the fight if hp equals less the 1 set keep at 1 for the fight and take 1d4 damage off youre damage roll
5. Regenerate: gain 4d8 hp per turn if hp is less than half roll 6d8 and if the hp is less then 1 quarter roll 10d8 
6. regeneration from the darkness: if is in darkness heal 4d8 health on top of all other healing. if  A bag man goes in light take regeneration from the darkness off if its renters it gets its regeneration from the darkness back 
7. buff from the darkness: if is in darkness add 15d20 to total hp. if a bag man goes in light take buff from the darkness buff off if its renters it gets its buff from the darkness back