The Ludus Magnus was essentially a gladiatorial arena where gladiators from across the Roman Empire would live, eat, and practice while undergoing gladiatorial training in preparation for fighting at the gladiatorial games held at the Colosseum.
The Ludus Magnus served as a residential and training center for gladiators from across the Roman Empire, providing them with a communal environment to live, train, and engage in combat preparation before participating in games held at the Colosseum.