Warriors can Afk solo 4* I've seen it my rogue even looks at a 3* mob my Lvl unlixxed im dead
Warriors can afk 4* mobs of their own level with the absolute best gear. Warriors are much better than any other class at soloing, they are the very best afk class for survivability. Rogues are next best because of their fast autos and rangers are pretty close to rogues. At lower level rogues can afk faster than warriors and can have a slight advantage in some cases It depends as of you are a dex build you may have more trouble. Druids and mages don't even count because you need a complete rebirth and whole other set of gear and they struggle to afk 1* of thier level.
Try afk the lvl150 fast spawn wyvern with any class but warrior when you are under lvl200.
Between my toons I've afk hundreds of thousands of mobs. While I could still access leader boards my rogues were 3 of the top 10 in 4 and 3* kills for rogues and my lvl34 warrior was also in the top 10 for 5*.
All in all if you complain about warriors solo leveling try a Druid or Mage.