Couple of ground rules
A i will not be including potencies as i do not know the scaling/formulas for them.
B i will not include level unlocks but for basic combos they will all be unlocked by level 15 regardless of job (goes for both AOe and single target)
C GCD will start at 2.5 seconds as per usual

Gauge

Torment gauge- builds up to 100 and will have a timer above it for torments unleash

Basic 1-2-3 combo actions GCD CDs

steps of torment- deal x potency to a target
thirst of torment- deal x potency to a target and apply a x potency shield on hit
torments finale- deal x potency to a target and give a x potency cure on hit and 25 gauge gain

AOE actions GCD CDs

2 part AOE combo
darkness surrounds- deal x potency to all targets in an area
darkness explosion- deal x potency to all targets in an area giving a x potency cure and 20 gauge gain

Defensive CDs

Dark magic barrier- 3000MP (the only MP spending ability in kit) applies a x potency shield to target (10second duration) that when broken gives access to torments blade (even while not in unleash) 10 second CD

Shroud of darkness- a 10% DR that also applies a x potency regen to you for 15 seconds 30seconds CD

Unholy light- a party wide 15% DR that allows you to take 15% of the damage dealt to your allies 1 min CD

Utility CDs

Torments unleashed- DRK enters a rage after tormenting himself (100 gauge cost) setting his HP to 5% of max (3 second invuln) all abilities/actions now consume 3% max HP to use (goes through your shield) and grant 5 gauge per usage as well lasts 1 minute 2 mins CD

Bleeding heart- applies a x potency DOT to yourself for 30 seconds gaining 15% potency bonus in return for the DOT duration 1min CD

Vampires kiss- every form of damage dealt now has a x cure potency on hit for 15 seconds 30second CD

Darkness reloaded- instantly resets your gauge timer at the cost of 50% of your max HP 50seoncd CD

Shadows unbound- costs 25 of your gauge to summon a shadow version of yourself that will coat the area in darkness making all enemies within it take 5% more damage

Offensive CDs

Well of darkness- creates a patch of endless void in front of the DRK applying an attack speed slow to all enemies inside and dealing x potency to all targets

Spirits vengeance- unleash a dark spirit to slash the enemy in half dealing x potency and applying a bleeding DOT of x potency for 30seconds 25second CD

Torments blade- (only usable while under torments unleashed) summons a giant blade filled with torment and despair slicing down on the enemy dealing x potency to the first target (50% less potency to all other targets) costs 50 gauge to use GCD

Fall from the heavens- a massive downward strike on the enemy dealing up to x potency (based on missing HP) (costs 10 gauge to use 25 under unleash)

torments regen- for the next 5 hits gain 25 of your gauge 3 min CD