The skeleton 5e are re animated and are completely decomposed body of the humanoid. The flesh would completely disappear leaving the bone structure held together to help move oddly into its attempt to imitate life. The d&d skeleton can be observed with certain tell tail traits that are uniquely present in each of them.
The god touched skeletons whether a white polish that is never dull. These are created by the magical fluke often will bear strange little quirks or physical anomalys. The single hair growing out of the crack in the bone with dark spot across their skull. The occasional harmless magical spark flies off them before fizzling out with a glow that runs down the crack in the bone with the limp as they walk.
At the end the dnd skeleton makes itself strong being the skeleton 5e being raised as minions and are receptive to commands or rules given. Their bones are notably harder and can be observed with just a simple tap. This physically speak raised minions generally have died more recently and this can be observed with still present skin or hair but otherwise they don’t have much else that distinguishes them from the normal skeleton.
The D&D 5e skeleton targets one creature which can be seen within 5 feet of it that has 0 hit points and is still alive. The target must succeed on the DC 10 constitution saving throw against this magic or die. The following d&d 5e skeleton regains 21 hit points in gaming. The creature bears a strong leadership with adding a d4 to its roll provided and it can hear and understand the skeleton.
The creature would benefit from only one leadership that dies at a time. Its effect is in-capacitable. The skeleton adds 2 to its AC against one single attack that would hit it. The d&d 5e skeleton must see the attacker and that can responsibly wielding a melee weapon.