Emperors Domain - When you choose the 'Way of the Emperor' you gain the ability to establish a domain. This domains properties are selected from known "domain properties" upon creation and upon establishment the domains occupy a 5ft by 5ft area. As a bonus action you may spend a focus point to interchange the domains properties with another from your known "domain properties". As a free action after spending a focus point you may move the domain to a point within 30ft of you that you can see. If you are moved more than 30 ft away form the domain it falters, removing it's effects entirely but remaining in that space. The domain has a height of 10ft before it's effects are lost. When you level up you may swap one known domain property with another from the "domain properties list". at third level you know two domain properties, the amount of known properties increase to 3 at 7th level, 4at 12th level, and 5 at 15th level. The number of domains you may have up at a time increases to 2 at 10th level, and 3 at 18th level. 

Subject of Rule - Upon domain creation you may designate a number of targets equal to your proficiency bonus. the Subject finds the domains area to be difficult terrain (costs double movement). The subject also takes an additional 1d4 of the domains damage type when they enter or start their turn within the domain, the damage dice increases to 2d4 at 6th level, and 3d4 at 9th level. If the selected domain properties Require a saving throw in lieu of a damage type the subject has disadvantage to the save instead.

"Domain Properties List" 

Consuming soul - A Whirling pool of darkness forms on the floor, long shadowy tentacles extend from the edges of the pool threatening to grab anything that gets too close. This property extends the reach of the domain by 5ft in all  directions. when a hostile creature enters the domains extra range they must succeed a DC 10 + wisdom saving throw or be pulled into the center of the domain and have their movement halved, taking 1d6 necrotic damage.

Emperors Domain

Emperors Domain - When you choose the 'Way of the Emperor' you gain the ability to establish a domain as an action. Establishing a Domain consumes 1 focus point. The domains properties are selected from known "domain properties" upon creation the domains occupy a 15ft by 15ft area. A domains properties, such as range or whether it is concentration change based on the type of domain. the domain lasts until you dismiss it, or when you are more than 30ft away. some domains have other deactivation methods so read carefully.

As a bonus action you may spend a focus point to interchange the domains properties with another from your known "domain properties". As a free action after spending a focus point you may move the domain to a point within 30ft of you that you can see. If you are moved more than 30 ft away form the domain it falters. The domain has a height of 10ft before it's effects are lost.

When you level up you may swap one known domain property with another from the "domain properties list". at third level you know two domain properties, the amount of known properties increase to 3 at 7th level, 4 at 12th level, and 5 at 15th level. The number of domains you may have up at a time increases to 2 at 10th level, and 3 at 18th level.

"Domain Properties List" 

Consuming soul - (one Action) (30ft) A Whirling pool of darkness forms on the floor at a point you can see within 30 ft, long shadowy tentacles extend from the edges of the pool threatening to grab anything that gets too close. This property extends the reach of the domain by 5ft in all  directions. when a hostile creature enters the domains extra range they must succeed a DC 10 + wisdom saving throw or be pulled into the center of the domain and have their movement halved, taking 1d6 necrotic damage.

Radiant Soul - (One Action) (Self) A brilliant beam of light emanates from the floor you stand on as the divine purity of your soul shines into the material plane.You create a domain of divine light with you at the center. This divine light provides healing to your allies when they enter the domain or start their turn there, this healing is equal to 1d6 + 1/2 your monk level, increasing to 2d6 at 8th level and 3d6 at 13th level. Your enemies are blinded by the brilliance of your soul however, taking 1d6 radiant damage when they enter the domain or start their turn there.

Clockwork Soul - (One Action) (Concentration) (30ft) A bubble of magical energy envelopes an area within 30ft of the caster that is also within line of sight. All enemy attacks made within this bubble targeting an ally suffer from disadvantage. When you use this domain feature, and on each of your subsequent turns you make a wisdom saving throw DC10 + wisdom, taking 1d8 psychic damage on a failed save and half as much on a success. 

Quiet Soul - (One Action) (Concentration) (30ft) A deafening silence fills an area of your designation that is within line of sight and within 30ft, all enemies that attempt to cast a spell with verbal components within the domain are silenced. causing their verbal spells to be rendered useless. 

Dominating soul - (One Action) (Single Target) (30ft) (Concentration) You designate a target whether ally or foe, within 30ft. Claiming them as your property. The target must make a DC 10 + wisdom saving throw or lose the ability to make reactionary attacks. the affected creature is also Frightened of you and any attacks made by you on the creature have advantage. The the frightened effect ends if the creature makes the saving throw on any of it's subsequent turns. when the creature breaks the effect it takes an additional 1d4 of psychic damage.

Mirrored Soul - (One Action) (30ft) Using two focus points you create an entrance and exit domain on a surface within line of sight, the surface must also be within 30ft. When a damage dealing spell, whether touch or ranged, is cast on the entrance seal it is mirrored onto the exit seal. A touch range spell can be mirrored onto a space occupied by a creature, dealing the same amount of damage as if the spell was cast directly. 

Enraged Soul - (one action) (self) (single target) You concentrate your power into a single point, increasing your physical capabilities. when you make an attack with this domain active you deal an additional amount of damage equal to half your monk level. your movement speed also increases by 10ft and you may use your reaction when targeted by any kind of attack to make a swift counter attack once per round. After a number of rounds of combat equal to your proficiency bonus you begin to take one level of exhaustion on each of your subsequent turns.

Consuming Soul

Consuming soul - (one Action) (30ft) A Whirling pool of darkness forms on the floor at a point you can see within 30 ft, long shadowy tentacles extend from the edges of the pool threatening to grab anything that gets too close. This property extends the reach of the domain by 5ft in all  directions. when a hostile creature enters the domains extra range they must succeed a DC 10 + wisdom saving throw or be pulled into the center of the domain and have their movement halved, taking 1d6 necrotic damage.

Dominating Soul

Dominating soul - (One Action) (Single Target) (30ft) (Concentration) You designate a target whether ally or foe, within 30ft. Claiming them as your property. The target must make a DC 10 + wisdom saving throw or lose the ability to make reactionary attacks. the affected creature is also Frightened of you and any attacks made by you on the creature have advantage. The the frightened effect ends if the creature makes the saving throw on any of it's subsequent turns. when the creature breaks the effect it takes an additional 1d4 of psychic damage.

Enraged Soul

Enraged Soul - (one action) (self) (single target) You concentrate your power into a single point, increasing your physical capabilities. when you make an attack with this domain active you deal an additional amount of damage equal to half your monk level. your movement speed also increases by 10ft and you may use your reaction when targeted by any kind of attack to make a swift counter attack once per round. After a number of rounds of combat equal to your proficiency bonus you begin to take one level of exhaustion on each of your subsequent turns.

Mirrored Soul

Mirrored Soul - (One Action) (30ft) Using two focus points you create an entrance and exit domain on a surface within line of sight, the surface must also be within 30ft. When a damage dealing spell, whether touch or ranged, is cast on the entrance seal it is mirrored onto the exit seal. A touch range spell can be mirrored onto a space occupied by a creature, dealing the same amount of damage as if the spell was cast directly. 

Quiet Soul

Quiet Soul - (One Action) (Concentration) (30ft) A deafening silence fills an area of your designation that is within line of sight and within 30ft, all enemies that attempt to cast a spell with verbal components within the domain are silenced. causing their verbal spells to be rendered useless. 

Radiant Soul

Radiant Soul - (One Action) (Self) A brilliant beam of light emanates from the floor you stand on as the divine purity of your soul shines into the material plane.You create a domain of divine light with you at the center. This divine light provides healing to your allies when they enter the domain or start their turn there, this healing is equal to 1d6 + 1/2 your monk level, increasing to 2d6 at 8th level and 3d6 at 13th level. Your enemies are blinded by the brilliance of your soul however, taking 1d6 radiant damage when they enter the domain or start their turn there.

Ticking Soul

Ticking Soul - (One Action) (Concentration) (30ft) A bubble of magical energy envelopes an area within 30ft of the caster that is also within line of sight. All enemy attacks made within this bubble targeting an ally suffer from disadvantage. When you use this domain feature, and on each of your subsequent turns you make a wisdom saving throw DC10 + wisdom, taking 1d8 psychic damage on a failed save and half as much on a success. 

 

Subject of Rule

Subject of Rule - Upon domain creation you may designate a number of targets equal to your proficiency bonus. the Subject finds the domains area to be difficult terrain (costs double movement). The subject also takes an additional 1d4 of the domains damage type when they enter or start their turn within the domain, the damage dice increases to 2d4 at 9th level. If the selected domain properties Require a saving throw in lieu of a damage type the subject has disadvantage to the save instead. if a domain property has both a saving throw and damage type you choose which effect the domain has on the target.

Additionally, your damaging Domains now have increased damage. increasing from 1d6 to 2d6.

Long Live the King

Starting at 11th level you gain strength from combatants when they are defeated within your domain. 

When a hostile creature dies within one of your domains you may (as a free action) move the domain up to 30 ft to a point within line of sight. Additionally, you regain a number of hit points equal to the amount of health the creature had before it died. Up to a maximum of 20 hit points. 

As a reaction to taking damage you may use your reaction to teleport to one of your domains, given it is within 30ft. this feature may be used a number of times equal to your proficiency bonus + 1/2 your monk level.

Dominion of the Emperor

At 17th level, your domains expand to fill a 30ft by 30ft radius. additionally, you may now stack two domains over each other. 

Once per long rest you may create a special domain, this domain mimics a habitat that you choose. this special domain known as a dominion, covers a 60ft by 60ft radius. while you are within this domain you gain 10ft increased speed and all of your attacks gain advantage. allies within this area gain 1d10 health on each of their turns.