According to lore, there can only be six Sirens in the world at any particular time, with a potential dreaded seventh. However, fans of the franchise have gotten to play, meet, or learn about significantly more of these legendary beings throughout the games and related media.
Sirens in the universe are powerful, typically female, beings who develop incredible powers and striking tattoos across their bodies.
Although all the Sirens in the game's history have had special powers, what abilities they have and how strongly they manifest them have varied.
has shown fans a glimpse of the next Siren to join the team as a new Vault Hunter, though her powers are still unknown at the time of this writing.
Even without knowing the newest Siren's powers, the franchise has plenty of awesome and incredibly powerful Sirens, each with increasingly cool and strong abilities.