Is a warrior your first character? If not then I suggest you use your highest level character to acquire gear / platinum to twink your warrior as much as possible. Warriors are terrible classes to play without support. Weapons are the first priority, followed closely by HP, then eventually AC.
Troll, Iksar are very good and ogre, halfling, dark elf are the next best choice. Everyone else is barely adequate.
Also, get Jboots and invis potions / item as soon as you can; you will die a lot less.
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