Wariors and paladins

[Kairos]

Warriors against same level mobs and higher level mobs don't generate rage as quickly and struggle with accuracy. Paladins in those situations (presumably, I play horde) still regenerate mana at the same rate and can take full advantage of an accuracy enhancing talent. Even if they don't have the talent and miss as often as a warrior, they can still rely on a determined amount of mana regeneration.
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Keep in mind that those higher level mobs can hit warriors more often, and getting hit also generates rage, at least when in Defensive Stance.