Imperium Unit Review: Imperial Knights Castellan

Hello, 40k armchair generals SaltyJohn from TFG Radio here to bring you a tactics article about that most ubiquitous of imperial units the Imperial Knight Castellan. For more reviews, bat reps, tactics discussions, and analysis check out the Tactics Corner!

The Imperial Knight codex made a big splash on the competitive scene when it was released. I picked up the codex and immediately ordered A Renegade Box Set, a Crusader, and a Castellan. If you paid attention to the Bay Area Open this year then you know I piloted a 4 Knight plus Astramilitarum list to a 6-0 second place finish. The Imperial Knights represent a faction of ultra-powerful households in the 40k universe that can trace their lineages and in some cases even their Knights, back to the Horus Heresy and before. Imperial Knights have pilots who guide them into battle and the fighting style and military acumen of the pilot is matched to the armament of the Knight they pilot. The Households also adhere to two types of houses, houses aligned with the Mechanicum called Questor Mechanicus or households aligned with Imperium called Questor Imperialis. In game terms, household alignment within the Imperium’s structure affects the stratagems you can use, which is a very cool mechanic.

 

Overview: The Castellan is the ultimate shooting platform in the Imperial Knight codex. In fact aside from the Porphyron, it is the best shooting Knight available in matched play. The Castellan has a massive amount of firepower it can put out in a shooting phase, depending upon the Household you choose, and Imperialis or Mechanicus, you get access to some stratagems that can boost the already formidable firepower of the Castellan even further. It can serve as an anchor unit to any Imperial army on its own or it can serve as the cornerstone to an Imperial Knights force.

 

Wargear and Special Rules: 

Tactics: At first glance, most of you may think the Castellan is quite a push-button choice. Just choose targets and watch them evaporate from the board. While this holds some truth, like any stereotype, there’s much more to using a Castellan effectively than just “Take one in your list and win hurr durr”. The first thing to note is the slow movement compared to the other Imperial Knights, with only 10in of movement compared to the 12in of the other Knights you need to keep that in mind, if for no other reason than you don’t want to accidentally cheat your opponents. It’s also important to keep this more limited movement in mind during deployment, as you may want to set up the Castellan behind a screen or large piece of terrain, and knowing it moves 10in rather than 12 will keep you from inadvertent movement blocking your Castellan from shooting the best targets. This brings me to the most important tactic when running a Castellan; Target Priority.

You will often hear higher caliber players discuss how target priority is key to success at high levels of play in Warhammer 40k. Target priority is defined as A grouping of targets with the indicated sequence of attack. Generally speaking, it’s making a list of things you want to be destroyed in order from first to go, through the last. Target priority in terms of 40k takes on a few archetypes. Game long Target Priority and Turn by Turn target priority.  I am not going to go really in-depth into 40k target priority here, but suffice it to say, when you play a unit like the Castellan, that is 600+ points of your army and has massive damage output, choosing the correct targets from turn to turn is really important. Target priority even extends to knowing weapon by weapon what to target. The Castellan and its weapons excel at killing high toughness, high wound models, and it is quite terrible at clearing large swathes of low toughness, low wound, infantry hordes. The Volcano Lance and the Plasma Decimator have similar strength profiles, whereas the shoulder cannons are S7 and therefore not as good against many of the targets you would use the Lance of Plasma against. The Meltaguns are quite short ranged, compared to the rest of the model’s armaments, and coupled with the 10in, rather than 12in, move it is important to keep them in mind when enemies get close. Picking the correct targets requires familiarity with the weapons and the odds of hitting, wounding, and amount of damage that’s likely to be rolled. The Castellan is a model that is hindered by random die rolls. Picking targets based on the best possible outcome of all the random rolls that go into a turn of shooting with the Castellan is a bad idea, but so is choosing targets by assuming the absolute worst die roll possibilities. The best way to learn this isn’t by math hammering out the probabilities and committing them to memory, it’s practice. Practice, practice, practice. As with anything practice is required to play 40k well, even with the most seemingly push button of units.

The other parts of what makes the Castellan such a good unit are relevant House Stratagems and Relics. Particularly House Raven and the Questor Mechanicus rules. If you want to run the Castellan at it’s most effective than you’ll want to run it as House Raven. The biggest weakness of the Castellan is how random many of its weapons are. The random number of shots, big swings in potential damage per hit, hitting on 3s. All of that can be mitigated through a single 2cp Stratagem. The House Raven strat, when used on the Castellan, allows it to re-roll all rolls of 1 in the shooting phase. The number of shots, to hit, to wound, amount of damage, it’s even been ruled in most cases that a roll of 1 or 2 on a d3 can be re-rolled via this strat. Not just the roll of a 1. When you couple this with the Mechanics Plasma Decimator Relic, Cawl’s Wrath, you get an even more potent weapon platform. Another weakness of the Castellan is how big of a target it is for the enemy. Again, there is a good stratagem combo that works here. You can purchase a Warlord Trait for the Castellan, even if it isn’t a Warlord, and give it a 4+ Invulnerable save against shooting attacks, you can then use a Strat, Rotate Ion Shields, for 3cp to make it a 3++ against shooting attacks for that turn! Even if your opponent damages the Castellan and degrades it, you can still fight at full next turn. As long as you’re Mechanicus aligned, but you’re taking House Raven so that’s not a problem!

The single largest weakness of the Castellan is its vulnerability in Close Combat. With no dedicated close combat weapons, other than it’s feet, poor Weapon Skill, and no invulnerable save in close combat the Castellan is truly weak to enemy units that have massed attacks, or high strength attacks. This is where the rest of your list is most important. To successfully run a Castellan you will need a way to keep the enemy at bay until the Castellan, or other units in your army can neutralize the only threats to the Castellan. Either the enemies most effective shooting units, or the enemies best assault units. Screening your Castellan properly with other Knights or with some Astramilitarum chaff is the best way to make sure your opponent can’t get to your Castellan the first two turns.

I hope you enjoyed reading about the Castellan and what it can do for your 40k lists.

And remember, Frontline Gaming sells gaming products at a discount, every day in their webcart!

secondhandhsop

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About SaltyJohn

John has been playing Warhammer 40k since the 3rd edition box set with Space Marines, Dark Eldar, and weird green palm trees were in the set. He is currently a 40k Head Judge for the Las Vegas Open, the largest 40k tournament in the world. An avid board gamer, a huge fan of video games, and a guest spot on Geek and Sundry as a "Historian" during an episode of "Game the Game" round out his geek credentials. You can catch "Salty" John on TFG Radio's Twitch Show, and Podcast, as well as find him streaming video games on Twitch on the TFG Radio Twitch page from time to time.

22 Responses to “Imperium Unit Review: Imperial Knights Castellan”

  1. derfred September 6, 2018 2:52 pm #

    Are you trolling?

  2. Kami September 6, 2018 5:20 pm #

    With House Taranis and enough CP you can have your castellan stand back up repeatedly too.

    • abusepuppy September 6, 2018 7:42 pm #

      Raven is typically taken because anything that can kill it once will be able to kill it multiple more times, and multiplying the firepower of the chassis out significantly tends to be more valuable (as many armies will just ignore the Castellan.)

      • Kami September 10, 2018 4:54 pm #

        Oh for a single castellan Raven is the best. I just had 3 knights in that list so I took taranis. My friends hate me now. it stood up 3 times and survived til the end of the game.

  3. NinetyNineNo September 6, 2018 8:16 pm #

    Even though many say CP farms are the real culprits, I’m willing to bet the Castellan is gonna take the nerf bat to the robo-knees. The numbers on it are insane, with Cawl’s Wrath and the Raven stratagem it gets on average something like 46 wounds per turn versus tanks. That’s better point efficiency than a TAU COMMANDER. On a model that’ll usually be rocking a 3+/4++ on T8 and 28W. Knights are some pretty silly stuff nowadays.

    I feel the Raven stratagem in particular is something that GW severely undervalued (though the Nova list as a whole is something of a perfect storm of hyper-efficiency and unexpected synergies). The exact numbers vary with the statline, but for 2CP it’s something between a 35% and 85% boost in damage to something that was already beastly (Castellan firing everything averaged ~51%, I believe). Not to lay everything at the altar of sacred mathhammer, but both theory and empirical results show that this particular boop is out of line.

    • abusepuppy September 6, 2018 8:31 pm #

      The Raven strat is definitely part of the problem, because it basically ensures that you can’t really roll _too_ badly for it. But I think that Ion Bulwark and the CP farm are also major culprits, because they ensure that it’s almost impossible to get rid of the Castellan.

      One amusing solution would be to take away the Volcano Lance (or maybe the Plasma Decimator?) and give it the harpoon off the Valiant instead, but obviously that’s not really going to happen.

  4. Rob Butcher September 6, 2018 11:11 pm #

    Do you have permission from Games Workshop to show the stats block ? It’s their intellectual property and is not covered by the 1st amendment.

    That’s extremely poor journalism.

    I stopped reading at that point.

    • Maeglin September 6, 2018 11:59 pm #

      I think they’re all ones that were published on the Community page.

    • Ujayim September 7, 2018 3:13 am #

      Lmao

    • Jace September 7, 2018 5:03 am #

      What a wank comment

    • abusepuppy September 7, 2018 5:31 am #

      That… isn’t how IP works, nor the First Amendment.

    • Anggul September 10, 2018 2:49 am #

      Jog on.

  5. happy_inquisitor September 7, 2018 12:14 am #

    I was slightly surprised to see no mention of the shieldbreaker missiles, they do seem to be a very powerful tool against some lists and are going to be very hard to deal with if you rely on key buffing characters.

    Even if you conclude that the basic firepower of the cannons is always better I wanted to see why you came to that conclusion.

    • WestRider September 7, 2018 1:45 am #

      From having played against them, I found the Missiles are actually pretty unreliable. Even with all the stuff they ignore, there are a lot of potential points of failure, and they really add up. Order of Companions helps, but they’re still more of a gimmick than a strategy.

      • Reecius
        Reecius September 7, 2018 9:09 am #

        They are very swingy, but man, when they work it is such a fun killer. I HATE those things, lol, but as Westrider said, they are far form a sure thing.

        • imafrog September 7, 2018 9:48 am #

          Yeah, just the mere threat of potentially losing your CP farm with the first shot turn one can influence list building. Didn’t a few people include a ogryn bodyguard specifically as insurance against this?

          • Reecius
            Reecius September 7, 2018 11:16 am
            #

            A ton of people brought models to shuck wounds off on to.

  6. Davis Centis September 7, 2018 7:05 am #

    Not sure why you’re surprised about the “reoll 1’s on a d3” thing, The rules tell you that a d3 is “halved” before applying any rerolls or modifiers; so even if you use a d6 to generate the result, a physically rolled 1 or 2 is a “roll” of 1, and that applies before the rerolls or modifiers, so the roll of 1 is rerolled.

    But yeah, Castellans are pretty OP from the sounds of it, and the stratagems make it even more so, and the traits/relics… even MORE SO. And the Guard CP engine… I do believe I see something flying over top of this building.

  7. Ishagu September 7, 2018 11:21 am #

    It better not get nerfed! Mine is only just now ready for action lol

    I can’t take it after repeated Guilliman, Stormraven, Fire Raptor beat downs lol

  8. Scott September 7, 2018 12:37 pm #

    The Castellan won’t get nerfed, but most of it’s scary nature is based in the CP farm. After the Flyrant fiasco, we didn’t see a nerf to Flyrants, but we DID see the rule of 3 come along. I believe GW is moving away from kneecaping units, because if it’s not the Castellan, it will be the Crusader… or a FW knight (because they also are only 1 CP for Rotate shields).

    Instead, I think we’re going to see some changes to CPs, because it’s pretty much a required consistent factor in every competitive list (with an occasional exception).

    • abusepuppy September 7, 2018 6:36 pm #

      We actually did see a small nerf to Flyrants there, if you recall- they went up ~20pts or so in price.

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