Zeromus (medium esper)

Summon Zeromus, an eight foot tall  black/violet floating statuesque construct that glows dimly like a crystal it is aligned to the element of Acid. Its base appears to be that of a hexagonal crystal and the upper body appears to be an angelic woman with one wing broken off, one arm draped over the one remaining wing and the other arm covering its eyes. Zeromus floats 1-3 feet off the ground and must remain within 60 feet of the summoner that calls it at the end of each round or vanish.

The glow from Zeromus illuminates an area of 10 foot radius in a dim violet light in dark areas. the glow is not constant and seems to pulse like a heart beat. There is a strange swirling feeling around Zeromus that allies can sense, remaining close to Zeromus constantly can cause dizziness to a point of passing out.

Unseen Shield  all physical attacks against Zeromus are disadvantaged however any non magical damage dealt to Zeromus deals double damage to the construct.

Immutable Form. Zeromus is immune to any spell or effect that would alter its form.

Magic Resistance. Magical damage dealt to Zeromus is cut in half.

Allure of Darkness. At the end of each round every foe within a 30 foot radius of Zeromus are pulled towards it by 5 feet, strength saving throw against a DC of 12 to avoid this.

HP is Calculated based on the Summoner's Stats

• 4d10 + (summoner's full intelligence stat) (+1d10 [+summoner's intelligence modifier]/lvl above 1) 
• HP on this card is the suggested Trial encounter HP 

Innate Spellcasting: can innately cast the following spells, requiring no material components

• At will: Darkness, hold person/monster, feather fall, Gravity
• 3/day each: Magic Circle, teleportation circle, reverse gravity
• 1/day: Anti-magic Field

Unique Spells description:

• Gravity. Range 80 ft. a 5 foot radius within range and deal Hit: 5+(1d6+intelligence modifier) (+1d10 per spell slot level above 3rd) necrotic damage. Targets must make a dexterity saving throw or take full damage and be pulled in 5 feet towards the direction indicated by the caster. (Level 3 spell).

Other Actions

Gravity Bind. Target a 10 foot line up to 30 feet away, all target take Hit: 4+ 1d12 (+intelligence modifier(3)) necrotic damage, constitution saving throw against a DC of 12 of have their AC temporarily cut in half for one round this cannot destroy armor

Pull of the Earth. (This is an additional action at the end of Zeromus turn) pull in all opponents within a 30 foot radius of Zeromus by 5 feet, targets must make a strength saving throw against a dc of 10 to avoid this.

River Styx. Concentration for 1 minute, all opponents within 15 feet of Zeromus take 1d6 acid damage at the start of their turn. At the Start of Zeromus' turn all opponents within 15 feet of Zeromus take 1d8 +int(3) acid damage constitution saving throw against a dc of 14 or take full damage. A green swirling aura appears around Zeromus that looks almost like tortured souls creating a strange distant screaming sound.

Hell Cannon (Recharge 3). (deathblow) Zeromus floats up high into the air and aims its base in one direction, all foes in a 10 foot by 30 foot line are dealt Hit. 8 +4d8 +Int(3) (+1d10+int(3) per levels 6, 8, 12 and 15) Acid damage, targets must make a dexterity saving throw against a dc of 16 or take full damage, additionally must make a constitution saving throw against a DC of 14 of have their AC temporarily reduced by half for three rounds, the AC reduction cannot destroy armor. Opponents at the very tail end of this attack take an additional 1d8 +int(3) (+1d8+int(3) per levels 6, 8, 12 and 15) acid damage and are knocked by 5 feet.

Charge Cannon: Heal 1d4 +INT(3) (+1d4 per level to a max of 8d4) Zeromus must roll wisdom against a DC of  12 to gain a recharge for Hell Cannon

Reflect Magic: Once every 6 turns when Zeromus is successfully targeted by a single target spell below 5th level Zeromus can redirect that spell the same distance from the caster in any direction. Zeromust must succeed an Intelligence throw against a DC of 14 to succeed

Reverse: Once every 6 turns when Zeromus is successfully targeted by a single target physical attack the attack or attacker is turned around and continues its attack in the opposite direction of Zeromus. Zeromus must succeed an intelligence throw against a DC of 14 to suceed this reaction.