decay Domain

when one decides instead of fearing and avoiding death and decay to worship it becoming one with the decay you gain its unholy abilities

deacay imrovement

your inflict wounds deals an extra d10 necrotic dmg =to your cleric level and you can cast this spell extra times equal to your cleric level at the highest level you have spell slots for

object decay

inflict wounds does damage to constructs and objects

Channel Divinity: decay land

starting at second level you can use your inflict wounds to deal damage in an area equal to 2 times your cleric level + the level you cast the spell at this does not use a spell slot

 

decay structures

Beginning at 6th level, your inflict  wounds deals double damage to objects and structures

deathly aclamation

At 8th level, you gain the ability to infuse your hands with deathly energy.  when you hit a creature with an unarmed strike it deals extra necrotic damage equal too 2d8+your wisdom modifier you may activate this ability asmany times as your cleric level+wisdom modifier per combat

Supreme decay

Starting at 17th level, when you cast inflict wounds it has an area of a square 100 ft wide you can use this feature once per long rest and deals maximum damage