Forest Siren, Infernopedia

The Forest Siren was a variant of the Temptress that appeared in the Dante's Inferno add-on, Dark Forest. She could also be selected as an enemy in the trial creator for the Trials of St. Lucia DLC. Tall women with bloodstained dresses and white hair and wispy wings.

Gang headquarters, Assassin's Creed Wiki

Victory Through Unity! (Planetary Annihiliation Self Insert Multicross), Page 32

Greek, Black and White Wiki

Arch Demon, Infernopedia

Assassin, DC Universe Online Wiki

Greek, Black and White Wiki

Victory Through Unity! (Planetary Annihiliation Self Insert Multicross), Page 32

Dante's Inferno (video game) - Wikipedia

Arch Demon, Infernopedia

Gang headquarters, Assassin's Creed Wiki

Clear Path Not Lost, Infernopedia

Gang headquarters, Assassin's Creed Wiki