Eina Tulle is a half-elf and a prominent character in the anime series 'Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka' (Is It Wrong to Try to Pick Up Girls in a Dungeon?). She works as a receptionist at the Guild, where she is assigned as the advisor for the protagonist, Bell Cranel. Eina is known for her caring and responsible nature, often worrying about Bell's safety and providing him with guidance and valuable information about dungeon exploration. Her support plays a crucial role in Bell's growth and development as an adventurer.