Proficiency in intimidation 

Can see in no light shades of grey, in dim light can see most color.

The gender of the skeleton is an idea more than anything, usually based on their past life. Skeletal body enchanted to be ageless. Lacking organs and held together by magic skeletons do not need to eat, sleep, or breath. Also gaining resistance to necrotic and immunity to poison damage and condition. Not needing to actually sleep simply rest, you are fully aware of your surroundings and a short and long rest take 2 and 4 hours respectively.

Increase intlegence, charisma, or wisdom by 2.

Your body was sent to be given burial rites and at the monastery. when the monks were praying over you and your grave, your flesh sizzled away leaving your bones bound by deep magic.

As an action, you may collapse into a pile of bones, while in this state you are considered prone and your speed is 0. you are also indistinguishable from a normal pile of bones. you may return to normal at will but it takes an action. While a pile of bones, attack rolls against you have advantage, and you have disadvantage on saving throws. You may cast passive spells while a pile of bones. You may speak as normal.

You may remove a limb to use it as an improvised club weapon. This removes 1 max hp until restored or replaced. This also applies when having lost a limb, until a suitable replacement is found (or the limb recover as it may be the case) max hp is down 1 point per limb missing. 

once a limb is lost, in any fashion, it may be replaced with a suitable replacement. This is the DM’s discretion, and the replacement will restore the lost maximum hp, including the hp itself.

Once your hp drops to 0 your character drops anything it’s holding and collapses to a pile of bones, then roll a d4. On your next turn come back with that much health, half movement speed for this turn, and a bonus action remaining.(you still have your reaction as well.) use this ability equal to half your wisdom modifier, Rounded down. The dice rolls scales with level, at level 1 it’s a d4, at level 3 it’s a d6, at level 9 it’s a d8, at level 13 it’s a d10 , at level 15 Roll 3d4 and at level 20 roll 5d4.

Double damage from radiant damage.