The title Bandosian/Bandos Warrior was used during the The Bird and the Beast world event. It was activated when PvP mode was enabled and the player fought for the Bandosian side.
After the event ended, the title disappeared and can no longer be activated or found.
This title changes according to the language of the server on which RuneScape is played, as shown below:
||[Name], Krieger des Bandos / Kriegsherrin des Bandos
||[Name], guerrier bandosien / guerrière bandosienne
||[Name], Guerreiro de Bandos / Guerreira de Bandos