Hegemone from the Pandaemonium raid in the game FFXIV ( Endwalker ).
For a basic prompt : H3g3mone_ffxiv, grey robe, mask on robe collar, hood down, boots, parasite and wing, green eyes
Model is a bit rough, as there was next to no art of her available. Can still be usable for fun pictures, but I will probably try to update it when I can.