Paladins are stronger players once you hit level 75 onwards - from this point DKs stop being overpowered, and paladins take charge. I mean, paladins wear plate (the toughest armor), can do very, very high DPS, can tank, and also heal (others and themselves). Note: I myself don't play as a paladin as they're so common I find them dull. (Yes, I know there are good paladins and bad paladins, but even a bad paladin can bubble and hearth when they're in trouble. 1-2-3 easy.)
Paladins have been nerfed in the last few patches, but they still outrank DKs, which I believe could do with less nerfing, more pew-pew... overall paladins are stronger than almost any other class, in terms of the spells and abilities you have to work with.
(PS if - a very small chance, I know - you meant are they supposed to be "good" as opposed to "evil", they're playable by both factions and don't really have a good/evil aspect. If you mean will they appear as good or evil in the upcoming WoW film, who knows. But I believe a human warrior will play the lead "goodie". )
Paladins can use 1 and 2 handed Axes, 1 and 2 handed maces, 1 and 2 handed swords, and polearms. No ranged weapons, daggers, staves, or fist weapons. Also, they cannot dual wield.
/cast divine shield /cast hearthstone It's called Bubble Hearthing.
Warriors, mages, death knights, paladins, rogues, and hunters can use one handed swords.
Dwarves can be warriors, paladins, priests, death knights, and rogues. In Cataclysm (due out soon) there is talk of them being able to be mage, shaman and even warlocks.
Paladins, Priests, Druids and Shamans can resurrect people outside of combat. In addition, Druids are able to bring people back from the dead while you are in combat.
Frostfourne is unable to get, instead they made Shadowmourn which is available to paladins, DK's and warriors, you can obtain it by completing a very long and hard quest line in ICC
For guides on World of Warcraft, try the site in the related links below.
World of Warcraft lore can be found at the official World of Warcraft website, along with other sites, but it is a good place to start. On the official site they have the history and lore of the Warcraft Universe.
world of warcraft
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There is a good world of warcraft guide on http://www.hiddenstuff.com/ that will teach you how to do this. hope it helps!
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