[2][3] Larissa Dias was born on 3 September 1998, in Rio de Janeiro, Brazil, growing up in the Meiér neighborhood.

At the age of 17, she joined black belt world champion Vinicius Marinho's Brazilian jiu-jitsu class at the local GF Team Academy.

[2] The following year she won the 2022 World Jiu-Jitsu Championship, defeating Rafaela Guedes in the final.

[5] Dias won a bronze medal in the heavyweight division of the IBJJF World Championship 2024 on June 1, 2024.

[6] Dias then won both the heavyweight and absolute divisions at the IBJJF Fort Lauderdale Open 2024 on October 19, 2024.