You have to be an apprentice first. Then your mentor will train you how to fight and hunt until he/she thinks that you are ready to become a warrior. After that the apprentice will have his/her warrior ceremony and become a warrior.
Thornpaw was made a Warrior in Warriors: The Darkest Hour
i believe icepaw and her brother foxpaw either are warriors or become warriors in omen of the stars: the fourth apprentice. I have heard that their warrior names are Icestorm and Foxleap
The Warrior Cat ceremonies are ceremonies held for kits that become Paws, Paws that become Warriors, a Warrior that becomes deputy, or a deputy that becomes leader.
Cloudtail became a warrior in A Dangerous Path.
Briarkit's warrior name in Warriors is Brackenfur.
Hollypaw's warrior name is Hollyleaf in the Warriors series.
They do something that makes the leader think their ready. BUT in Warriors A Dangerous Path, Bluestar made Cloudpaw a warrior as Cloudtail for NOT BELIVEING in StarClan, so they can still make them, its just they have to do good at defending the clan. Some become Warriors for catching prey.
I want that warrior on my team.
a male warrior = lokhem (לוחם) a female warrior = lokhemet (לוחמת)
Cloudtail became a warrior in A Dangerous Path.
-Warrior Cooker -Cooking for Warriors -Food for Warriors -Delicious Warriors -Serving Warriors
the warriors trained in a field full of the warrior equipment!