"A warrior's true strength lies not in the body, but in the spirit..."
The Warrior is the fighter character class of Diablo. Many of the warriors in Khanduras joined their kingdom's army and went to war against the kingdom of Westmarch. After suffering defeat at the hands of their neighboring country, the surviving warriors came home to a cursed land. Motivated by the temptations of glory and gold, the warriors went beneath the desecrated church in Tristram to face the evil it housed.
The Warriors of the lands of Khanduras are well trained in all of the weapons of war. Ranging from crusading paladins to unscrupulous mercenaries, Warriors can be found wherever there is conflict amongst their countrymen. Many of these adventuresome men joined with King Leoric's army and went to battle against the kingdom of Westmarch. As the fires of war burned themselves out, these Warriors returned home to find their kingdom in shattered disarray.
Dark rumors of the mysterious demise of King Leoric abounded and the evil that lurked within his cathedral drew many Warriors to Khanduras seeking fortune and glory. Though they were warned by the people of Tristram, a few of these brave souls ventured into the chaotic labyrinth beneath the old church - never to be heard from again. Whether they were driven by valor, honor, madness or greed, new Warriors arrived in Tristram every day, ready to challenge the dark unknown that awaited them beneath the earth.
Warriors were arguably the strongest character class in Diablo. They could wield swords, axes or maces. These weapons were either one-handed or two-handed. Two-handed weapons were more useful in the beginning, but at later levels players reach a vitality cap which caused life to increase at a relatively slower rate. In these later levels, the warrior has similar life to their earlier levels, but the monsters do much more damage. This necessitates the use of a shield. Their amazing strength allowed them to wear even the heaviest of armor.
Their magical abilities were limited. With the lowest maximum magic of 50 and less mana per level than the other classes, they were forced to only use support spells like Stone Curse and teleport. With their low mana these support spells could be used only sparingly. Since their low level attack spells could not effectively damage high level monsters, attack spells like firebolt and charged bolt were not an option. Advocates and the succubi which could teleport away from the player were especially difficult. To follow them, might result in aggravating more enemies to attack the player. Although the modification which gave less light radius was intended to be a curse it proved very beneficial to warriors. With a lower light radius, the warrior would aggravate fewer monsters.
The main difference between a high level warrior and a low level warrior is the magical ability. With maxed out attributes a warrior has 50 mana at level 1, but with maxed out attributes and maxed experience level of 50 the warrior has 98 mana. This is almost double as much mana granted by experience level. By the time a hero reaches these high experience levels, they would have already had enough money to purchase items which give bonuses to magic to read high level books. This changes the play style, since the warrior will be able to kill ranged attackers with more ease by teleport and stone curse.
The Warrior's repair skill restores an item's durability but decreases maximum durability. This could be use to get more use out of broken equipment, and could also be used prior to selling equipment to increase its value.
The Warrior of Diablo eventually became the Dark Wanderer that featured in Diablo II. Diablo III and supporting material altered his backstory to make him Aidan, the son of King Leoric. This was a retcon from previous lore, which established that the Warrior was a stranger to the people of Tristram.