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"The Frost tree was originally designated the tanking tree, and the Frost Presence will likely still be the presence of choice for tanking Death Knights. Interestingly enough, very few of the other spells and talents in the Frost tree -- with the exception of Icebound Fortitude -- really scream \"tanking.\" However, some of them do scream \"crowd control,\" which may amount to the same thing in the end -- just freeze, slow, or silence extra mobs until you have a chance to focus on tanking them. The \"frozen\" bonuses in some of the talents also suggest that Frost Death Knights may have a lot of good synergy with Frost Mages as well, assuming their frozen status afflictions are identical to each other. Below is a listing of some of the Frost spells and talents shown in the WWI Death Knight demo: Frost Spells: Icy Touch:Requires level 55Costs 1 Frost Rune Instant cast, 6 second cooldown20 yard rangeDescription: Deals 217 to 235 Frost damage modified by attack power and reduces the target's ranged, melee attack, and casting speed by 15% for 20 seconds.Chains of IceRequires level 56Costs 2 Frost RunesInstant cast, 16 second cooldown20 yard rangeDescription: Freezes the target in place for 3 seconds. the target regains 10% of their movement speed each second after breaking free of the chainFrost Presence Requires level 57Instant castDescription: The death knight takes on the presence of frost, increasing armor by 45% and threat generated by 25%.Mind FreezeRequires level 57 Requires Runic Power10 second cooldownDescription: Strike the target's mind with cold, dealing 100 frost damage modified by attack power and interrupting spellcasting while also preventing any spell in that school from being cast up to a maximum of 4 seconds. Obliterate Requires Level 61 Costs 1 Blood Rune, 1 Frost RuneDescription: A brutal instant attack that deals 100% of weapon damage plus 330 and 122 additional damage for each of your diseases on the target, but consumes the diseasesEmpower Rune WeaponRequires level 68 3 Minute cooldownInstant castDescription: Empower your rune weapon, immediately activating one of each rune typeIcebound Fortitude Requires level 72Requires Runic Power1 minute coooldownDescription: Consumes all available runic power, causing the Death Knight to become immune to stun effects and increasing armor by 50% for up to 12 seconds. Does not remove existing stun effects.Frost Talents:Frozen Rune WeaponRequires 10 talent pointsCosts 1 Frost RuneRequires melee weaponInstant castDescription: Imbue your rune weapon with frost, causing 29.9 to 92 additional frost damage, based on the speed of your weapon. Also has a chance to cause your target to be vulnerable to frost damage. Lasts 10 minutes.DeathchillRequires 20 talent points2 minute cooldownInstant castDescription: When activated, increases your critical strike chance with frost spells and abilities by 100% for the next 6 seconds. Howling BlastRequires 30 talent pointsCosts 1 Frost Rune30 second cooldownInstant cast20 yard rangeDescription: Blast the target with a frigid wind, dealing 278 to 302 frost damage to all enemies within 10 yards. Deals triple damage to frozen targetsMerciless CombatRequires 35 talent pointsCosts up to 3 talent pointsDescription: Your frost spells and abilities do an additional 20% damage per talent point when striking targets with less than 20% health.Frost StrikeRequires 40 talent points, Merciless CombatCosts 1 Frost RuneRequires melee weaponNext MeleeDescription: A strong attack that deals weapon damage as frost damage. Has a 10% chance to freeze the target.Hungering ColdRequires 50 talent pointsRequires runic power1 minute cooldownInstant castDescription: Unleashes all available runic power to eradicate all heat from around the Death Knight, freezing enemies within 10 yards and preventing them from performing any action for 2s per 10 runic power. Enemies are considered frozen, but any damage will break the ice."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2008/06/30/wwi-08-death-knight-demo-frost-spells-and-talents/>