Nudity:
✘ must be clothed, avoid underwear / etc. No genitalia may be shown

Sex:
✘ do not draw anything sexual. No fluids, no sexual poses / situations, nothing erect, etc.

Violence:
✘ no injuries, even mild; no violent or dangerous situations

Gore:
✘ please do not draw this character with serious wounds / excessive blood

Death:
✘ do not draw this character dying, dead, or killing someone

Brighten / Saturate colours:
✘ the colour palette of this characters is important; please don't modify it

Stylise Design:
✔ you can change features of the character to suit your design; stylising wings, making tails shorter / thinner, changing hair styles, etc. is fine!

Change Body Type:
✘ keep their body type close to their references; thin characters stay thin, fat characters stay fat