Robin had nowhere to go after defeating Crokdale, and Luffy left a deep impression on him. Robin was moved by Luffy's simplicity and sense of justice, so he decided to board Luffy's boat.

Just before defeating cp9, Robin was moved by other people on board, which made Robin decide to formally join Luffy's team.

Robin background

Robin is an archaeologist in Luffy's team. She was born in the archaeological island "O 'Hara" in the West Sea. Robin is O 'Hara.

The 8-year-old survivor was offered a reward of10 million pounds for finding him.

When she was 8 years old, her net worth was over 10 million. Robin is also a flower and fruit man. She can let any part of her body attack or use any tangible object in her sight like a flower.