I'll use fire nation army branches to make it easier. First branch is the basic infantry they are the backbone of the whole army, they lead the battles and take the most losses and they able to use basic fire abilities. Second branch fire mages They can use more fire magic and they are more a support of the fire basic infantry Third branch fire mechs The fire engineers make fire mechs are very strong Speical branch fire hosts Fire hosts are able to channel in the fire god power to make them into fire beings that able to tank almost all damage and use very powerful fire magic
