Artist's commentary
Sin: https://imgur.com/a/TekJAGY
For Sin make sure you get the pink glowing ring in her left eye, as well as having her scales have some minor level of thickness to them. Also her horn shape points downwards.
Eye: https://i.imgur.com/UbEMgn5.png
Horn: https://imgur.com/a/JNCLJFT
Decima: https://imgur.com/a/IQDSoGt
Personality: Cold/serious/bitch
The idea is for them to be dressed like sexy race queens like this https://imgur.com/a/zlUg3eG
Please show both of them an equal amount!