Medium monstrosity,

Armor Class: 26 (natural armour, dexterity, void blessings)

Hit Points: 99 (15d10+15)

Speed: 45 ft

STR

10 +0

DEX

22 +6

CON

13 +1

INT

11 +0

WIS

17 +3

CHA

17 +3

Saving Throws: Strength +6, Dexterity +12, Constitution +7, Intelligence +6, Wisdom +9, Charisma +9

Skills: Perception +9
Investigation +6
Acrobatics +12
Athletics +6

Damage Resistances: All energy types (except force and phantom), all piercing slashing and bludgeoning damage

Condition Immunities: All condition types

Senses: Darkvision 120"

Languages: Alin, Phyrexi, Elder Thing

Proficiency Bonus: +6

Actions

Multiattack - 1 spell or 2 vector attacks   2x Vector Attack; +12 range attack, range 20", 6d4+6 force damage

Bonus Actions

If another Phyrexian within 60" is attacked, the Negator may interject and add d6 to the Phyrexian's AC or savings throw (chosen at the time)

Reactions

Phyrexian Negator has 2 reactions per round   If attacked Phyrexian Negator may add +d4 to AC   If required to make a savings throw, Phyrexian Negator may add +d4 to a savings throw   If damaged Phyrexain Negator automatically deals 6hp in damage of damage type dealt to it to the creature perpetraing the attack

Legendary Actions

Legendary Save: Phyrexian Negator make automatically choose to make a savings throw where it fails a savings throw up to 3x per long rest   Legendary action: 1x round give any Phyrexian creature temporary 10hp

Lair Actions

On initiave count 20:   1x creature is affected by the slow spell until the end of the Phyrexian Negator's next turn (DC 17 wisdom savings throw made with disadvantage)

Regional Effects

All Phyrexian within 1 mile of Phyrexian Negator Nest gain +1 AC, +1 savings throw and reduce all damage by 1 per attack