Level one:can summon fire from there arm and hands can put out fire by adding it to there and do all genin and chunin fire moves can also make basic shapes out of teh fire nut no weapons this is A,S lvl
Level two:can make basic weapons out of fire can call forth fire there arms hands and chest can still only do genin can chunin rank just genin lvl
Level Three:can summon fire from there leg and every way posted above and now do and can now shape it into anything and can do jounin fire style jutsu is this chunin rank
Level Four:cna summon fire from there whole body can make it into anything cna do all fire style this is gotten at jounin rank this is the finally lvl