You have Darkvision with a range of 60 feet.

Choose a colorful set of bones, as they are going to be with you for a long time as you reside in the world. These bones are with you forever even when you change, maybe even get your skin and form back.

Blue Bones. You are able to get another set of additional bones on you as extra appendages. You are able to have up to two of them and requires a long rest to put them on, these secondary arms can manipulate an object, open or close a door or container, pick up or set down a Tiny object.

At 5th level, they are able to do complicated actions and able to wield weapons that has the light property.
Bright Bones. You have advantage on Turn Undead and similar abilities.

At 5th level, you are immune to Turn Undead and similar abilities and spells like it, and you are considered humanoid for abilities, attacks and spells like Divine Smite that deals additional damage or negative effects that require being an Undead.
Dark Bones. You have a 1d4 bonus to Stealth Checks and your darkvision is able to see in both nonmagical and magical darkness.

At 5th level, you are able to use your bones as Thieves' Tools and have a 1d4 bonus to using checks involving Thieves' Tools.
Gold Bones. You are able to find currency within twenty times your character level feet within you. You are able to sacrifice money to be ammunition for firearms.

At 5th level, you are able to find gems and ore within that range as well.
Green Bones. Your bones is able to deal damage to those who wanted to mess with you. When you get hit with a melee attack, you can use a reaction to deal 1d6 Acid or Poison (your choice when they hit) damage to the attacker.

At 5th level, it is with any melee attack hitting you that it doesn't require a reaction. But you are able to turn this ability on and off with a bonus action.
Orange Bones. You are able to communicate with any humanoid skeletons even if you don't share a language.

At 5th level, you are able to communicate with any skeleton even if you don't share a language.
Pink Bones. You have the magical ability to transmit your thoughts mentally to willing creatures within ten times your proficiency bonus feet of yourself. A contacted creature doesn't need to share a language with you to understand your thoughts, but it must be able to understand at least one language. Your telepathic link to a creature is broken if you and the creature move too far apart from the amount of feet given, if either of you is incapacitated, or if either of you mentally breaks the contact (no action required).

At 5th level, you are able to use your telepathy for vocal spell components.
Purple Bones. You choose one cantrip from any spell list. At 5th level, choose a 1st Level Spell and 2nd Level Spell from any spell list, you are able to cast each level spell once per long rest. If you have the spell slots or pact magic, you are able utilize those in order to keep casting them.

You can choose Intelligence, Wisdom or Charisma for your spellcasting.
Red Bones. During combat, you can use a bonus action to use a hit die and heal yourself equaling to the result of your hit die plus your Dexterity modifier or Constitution modifier.

5th level, you are able to heal an additional amount of points with hit dice during a short rest equal to your proficiency bonus.
Silver Bones. Your bones are natural weapons, which you can use to make unarmed strikes. Your bones are counted as simple melee weapons and unarmed strikes. You can use your Strength, Dexterity or Constitution modifier for your attack and damage rolls with using your unarmed strikes with your bones. If you hit with them, you deal 1d6 + your modifier used in damage, the damage type of the bones are Bludgeoning, Piercing or Slashing.

At 5th level, you lose the vulnerability to Bludgeoning Damage.

You have proficiency in one skill and tool.