*Edit - 3.0.3 updates
As of the current Wrath live build (3.0.3), this quest is two-mannable with a tank and a healer. I just finished it with an 80 Protection Warrior and 80 Holy Paladin. Both characters have standard Northrend 5-man Blue/Green quality quest rewards.
Landgren is in the Cathedral at Onslaught Harbor - it's hard to miss.
Clearing to the Archibishop is reasonable. If you do like I did and just charge in the front door while on your flying mounts, you'll end up with 4-8 normal level 80 mobs - a couple Onslaught Paladins, Harbor Guards, Raven Bishops, and possibly a Gryphon Rider or two.
The main chamber has 2 packs of 5-mob pulls - 1 Raven Bishop, 1 Harbor Paladin, and 3 Harbor Guards. These will respawn at a standard mob respawn rate (I'll estimate it at 7 minutes for now). Their respawn also seems tied to Landgren's respawn, so you'll most likely have to clear the room again if someone kills him shortly before you arrive.
Landgren himself is accompanied by two normal Harbor Guards. Landgren has roughly 300k HP with 80k mana (essentially endless for the purposes of this encounter). He melees for 1200-1500 on a warrior with 20k armor, Mind Blasts for about the same with no resists, has a Shadow Word: Pain that ticks for an unknown amount (thanks Cleanse) and has a Mind Sear that ticks for under 1k for several seconds. His Mind Sear is otherwise like a regular priest's - it has a 10 yard AoE effect around the target. He is unstunnable and uninterruptable. At this time, you can Spell Reflect his Mind Blast and Shadow Word: Pain but not his Mind Sear.
At 50% life, he switches to Shadowform gaining 25% damage to his Shadow spells.
As you may have guessed, Shadow Resist is effective against all of his spells.
The fight itself is straightforward - no Fear, no Mind Control, no special tricks like that. The only issues to contend with are the possible respawn of the interior guards and the AoE of Mind Sear.
To deal with the possible respawn, you can bring some DPS. 1 competent DPSer -should- be enough, 2-3 would be safe. I had Landgren around 30% life with all the DPS coming from the Prot Warrior when the room respawned.
You can also do like I did and pull Landgren to the alcove (You have this word, yes? Alcove?) before his main chamber. Your healer/ranged DPS can stand in one corner to avoid Mind Sear while your tank/melee hold Landgren in the other corner. You should only have to handle a respawning Raven Bishop or two if you stay out of line of sight of the main chamber and the guards towards the exit of the cathedral.
To deal with the Mind Sear, just have your healer/ranged keep their distance from Landgren. Note that if you fight any Paladins at the same time as Landgren, they have a Charge/Intercept which can interrupt casting. As of this time, the Charge/Intercept does not spell-lock like a Kick or Counterspell.
Once Landgren is down, be sure to quickly use Arete's Gate to finish the quest and to grab the follow-up quest. Landgren himself doesn't really have any loot, so it's best to use the gate as soon as you kill him.
All in all, it's an easy fight provided you have a plan to deal with the adds and you use the gate right away.
Quest
Second Chances
A World of Warcraft quest in Icecrown. Facts and objectives from the current retail game data.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Do not forget to take the followup from Lord-Commander Arete INSIDE the cathedral after he's done talking, everyone in my group missed that part.
Soloable as a holy paladin. I say this not to gloat, but in the interest of advising other holy paladins how to get this quest done themselves if they are unable to find a group.
Basically, clear out the trash in the cathedral (I pulled both groups at once and AoE'd down), then pull the Archbishop into the square shaped alcove near the entrance, fighting him at the cathedral end, not the entrance end. I basically focused on him, had Seal of Wisdom and Judgement of Wisdom up, and used all my damaging abilities - consecrate, holy shock, shield of righteousness and judgement of wisdom on every cooldown. Thanks to the massive regen of SoW/JoW and Divine Plea, I was rarely below 90% mana. I used Ret Aura as the Archbishop melees a fair amount for a caster, and his damage isn't anything to worry about.
I'd basically just continue this until my health reached 50%, then I'd cast 1 Holy Light and continue. I tried to maintain a Sacred Shield at all times as it's a fair chunk of mitigation for such a low mana cost. I also didn't bother getting out of Mind Sear - it doesn't do much damage at all. When the Raven Bishops respawned, I simply AoE'd them down, stunning them when they went to cast Raven Heal.
I should note that his Shadowform doesn't really change much. There's a very, very slight increase in his damage, but it's nothing that needs a strat change for. You simply continue using all your damaging cooldowns with SoW/JoW until he's dead. You then use the quest item on his body, wait for the UD DK to finish his dialogue, turn in the quest, and receive the follow up - which, coincidentally, is also soloable (see that page for details).
Quest facts
The client quest POI data records no map location for this quest, so no map is shown.
Check whether you have already completed this quest
in-game: /run print(C_QuestLog.IsQuestFlaggedCompleted(12847))
Description
I'd heard they have an archbishop in their cathedral, but I had no idea that they'd resurrected and promoted Landgren! The Crimson Cathedral is heavily guarded with only one entrance, so you'll need help. We still need to know where the grand admiral is, but this time we're not taking any chances! Take this device. It can be used to summon a gate for me to step through once you've killed the archbishop. I'll have my answers directly from his compelled soul! We will find Grand Admiral Westwind!
Community notes from Wowhead · 116 comments
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Reward details
Reputation: Knights of the Ebon Blade +350
Freed from the grasp of the Lich King, his former Death Knights have regrouped against him under the banner of Highlord Darion Mograine.
Reputation group: Wrath of the Lich King.
Other quests in Icecrown that reward Knights of the Ebon Blade reputation: To the Rise with all Due Haste! (+10), The Story Thus Far... (+10), Blood in the Water (+250), From Their Corpses, Rise! (+250), You'll Need a Gryphon (+250), No Fly Zone (+250).
Item facts are the current retail client’s (ItemSparse); the specialisations for a pick-one item are the ones the Blizzard quest API lists; faction and currency text is the client’s own. Lowest listed price = the US commodity auction house now.