Homebrew Ghost (Recently Deceased Character) Species Details

Ghosts are unique to monsters because they are not tied to corporeal world like others. For that reason they some can phase though walls and commune with the recently deceased easily. They can also see other ghosts, or specters better than others. Ghosts are often caused by a curse, or magic backfiring, or some other magical intervention. Ghosts are often anomalies because other than a nasty curse, they are created randomly by outside factors, or by accident.

Ghosts, do not need to eat or recharge like other monsters, though depending moving heavy objects can be draining. Some are even nonverbal as talking depending on the ghost can be too draining (Which is reason 2 ghosts have a speak with the dead).

Ghosts are often sentimental, as they can often be tied to objects or places. Though if thy are too attached too their past, or have strong negative emotions on their past in the presence of magic, they can corrupt. If they are corrupted for too long it they become Wraiths, and lose their humanity, become hostile, and may not be able to be cured (This may be what I define as ghost sickness).

Ghosts are not known for big social circles, but are known to like community events like, theatres and festive holidays. There is no known cure or passing on for ghosts other than True Death (Which is what the undead call killing the undead) as Ghosts are not ghosts because of lingering attachments, but due to magic.

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 Sentimental Creatures: Ghosts are highly sentimental creatures, they often linger and are tethered to items or places of their past lives. They cannot leave that item or place for more than a several feet of it. Careful not to damage or get it corrupt it. 

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What changes when you're dead?

Ability Score Increase. Your Charisma score increases by 2 and either Intelligence or Wisdom score increases by 1. You can either keep your old human modifiers or use the ghost modifiers. (No stacking!)
Age. A ghost can "live" for a very long time as they can remain on the Material Plane as long as their willpower allows them, though they usually pass on after they fulfill a goal they could not accomplish in life.
Alignment. Trying to complete the pendant goal they have, most ghosts have a lawful neutral alignement. Anyway, it is not unheard of Chaotic ghosts. Although ghosts tend to retain the moral alignement they had in life, it is not rare that some of them change alignement into good or evil, specially those with goals with extreme moral charge, like domination of nations, discovery of cures or important secrets; or vengeance
Size. Ghosts have no weight and are as tall as they were in life. Your size is usually Medium, although small ghosts are frequent.
Speed. Your speed is 30 feet. You always hover 1 feet over the ground, but can't fly. If you end your turn more than 1 feet over the ground, you start falling.
Undead Nature. Your creature type is humanoid and undead. You do not require air, food, drink or sleep. You are resistant to bludgeoning, piercing and slashing damage from non magical weapons. You are vulnerable to radiant damage

Abilities: Etherial form: You can cast the spell etherealness once per long rest only on yourself, but you can't carry your equipment and your speed is reduced to 10 feet. It lasts 5 minutes and requires you to hold concentration at least once every 30 seconds. Ending your turn in a square occupied by an object or creature causes you to be pushed to the nearest unoccupied square and take 2d10 force damage. Your spellcasting ability to use this trait is Wisdom.

 

Ghost (Recently Deceased Character) Traits

It’s hard to make generalizations about humans, but your human character has these traits.

Ghost Vision

You can now see in the dark permentantly. Also in your ethereal form you can see other ethereal things. 

Speak with the Dead

Being a ghost you can speak with other undead creatures. You can speak the language and nonverbal language to communicate with other undead beings and folk.

Undead Nature

Your creature type is humanoid and undead. You do not require air, food, drink or sleep. You are resistant to non magical bludgeoning, slashing, and peircing items. You are vulnerable to radiant. 

Age

Your age stays the same you died and can exist until killed

Alignment

Humans tend toward no particular alignment. The best and the worst are found among them.

Size

Humans vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium.

Speed

Your base walking speed is 30 feet.