Dark Knight, or Paladin?

[Phoenicia]

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DRK MP management is fine and is in line with WAR's wrath management and PLD's CD management. Granted PLD is the "easiest" to "manage".

DRK has the highest consistent damage if MP is managed. And ONLY 2 of the DRK CDs are buffed by Dark Arts and they are VERY potent. DRK is by no means squishier than PLD or WAR. ALL three tanks have the exact same effective HP with slight difference due to base VIT. The different tool kits make up for what they lack in different departments. (PLD has a shield, WAR and DRK have self heals for fluff damage, etc.)

Now if MP management is not your thing, that doesn't make the DRK weaker than the other two tanks. It just means DRK is not the tank for you.