Class changes could only be done by the porter.

As the difficulty level increased with the DLC, the developers implemented this feature because they realized it would be impossible to clear the game with a non-combat character like the porter occupying a character slot.

As the name suggests, a class change allows the character to switch to any profession.

It was even possible to become a Hero, but that was actually a poor choice.

To reiterate, Lucy wasn’t strong because she became a Hero; she was already strong enough to be chosen as one.

Similarly, Nydrian, Arsil, and Rabin became …