Gravewalker

You are banished from death

you also have a random ghost in your head 

you can now manipulate your ghost powers 

(talion from middle earth) 

Level 3: Ghost power

You can do powerful ghost powers for a short time
You get 4 1d8s that you can use to give 1d8 extra necrotic damage or use your powers
You can also get 1 when you kill a enemy
Turns to 6 1d10s at 7th level and 8 1d12s at level 15

Level 3: Spectral bow

You can summon a grave bow to shoot at enemies
Expend a ghost dice to deal 2d8 necrotic damage as a bonus action
Turns to 2d10 at 10th level and 2d12 at 18th level

Level 7: Grave glaive

You can spin a giant glaive
Deals 1d10 necrotic damage and enemies in a 10ft range must make a dex save of 14 or get pushed back 10ft
Turns to 1d12 at 15th level and 2d12 at 18th level
Expends 2 ghost dice

Level 7: Elven light

you can create a blinding light that can blind enemies
any creature in a 15ft radius makes a con save of 15 or be blinded till your next turn
expands 1 ghost dice

Level 7: Drain

you can drain an enemy for 1d10 health
expands 1 ghost dice
turns to 1d12 at 15th level

Level 10: Back from the grave

when you reach 0 hp you can expand 2 ghost dice
to heal 2d10 hp
turns to 2d12 at 15th level

Level 10: Wraith strike

You can teleport to an enemy and deal 2d10s damage to them
expands 3 ghost dice
range of 30ft
turns to 2d12 at 15th level

Level 15: Execution

you can expand 3 ghost dice to deal a near killing blow
deals 3d12 damage on top of your damage
can be done as a bonus action

Level 18: Wraith rage

you fully unleash your wraith power to its fullest
deals 1d12 damage on each attack and +10 on to hit
you can also slit up your attacks to another 2 enemys
expands 4 ghost dice

lasts 3 rounds