Good work
Some feedback though:
You forgot to add the disrupt OR ignore cover to the Thunderfire on the stronghold. The stats and that for it sound fine, but please can you rename the Castellum Stronghold to something generic like 'Imperial Fist Stronghold' or something along those lines? The Castellum is a specific model of drop-fortress and your armaments are nothing like those a Castellum has. Again keep the same stats but the AA laser should also be renamed an 'Icarus Lascannon' – that's the name for the AA only lascannon that comes with various 40k buildings. A defence laser is a much larger and more powerful AA weapon found on the Imperator Titan (with AA4+ TK(D3)).
Good to see Centurions. I'm fine with 4+ CC for the Assault Centurion, they are pretty clunky. Given that they have siege drills that are specifically designed for breaking through the walls of bunkers, buildings, ect maybe it's extra CC MW attack could also have ignore cover? It would specialise the unit more for what is meant to be it's particular role.
The Land Raider Achilles is better than other Land Raiders and should cost more – Frogbear had them as a +25 point upgrade on top of the cost of Land Raiders (and in lists where there is air transport for them +50 on top is probably appropriate). The Achilles should have an invulnerable save too. The tank has considerably thicker armour than other Land Raiders along with fancy nano protection - “layer upon layer of ancient electromagnetic incantations and ferromantic computational algorithms are etched into each part of the structure at a microscopic level using the most secret arts available to the Adeptus Mechanicus. The resulting armour is almost impossible to harm through the use of projected energy weapons, such as laser weaponry.” It's considerably harder to kill in it's 40k rules and it was discussed a lot when the Achilles came out and agreed that the tank deserved to have an invulnerable save (some were even arguing for 3+ reinforced but most people thought this a step too far) and it has an invulnerable save in Frogbear's IF list (as per the
proper pdf for the list, it got missed out in the Compendium in one of the many typos/errors when putting it together). The tank is also used in a couple of other epic lists with invulnerable save and for consistency it should have it here.
Good to see the heavy WE version of the Marauder here as in the DkoK list. I really think it should cost 175 though. It's borderline too cheap in the DKoK list, but acceptable due to poor strategy rating and there being so many other artillery options in the list. With strategy rating 5 and it being worth more in a list without alpha strike options it should cost a little more.
How many troops can the bunkers hold? 3? Maybe it should specify. It says you get 50cm of trenches but doesn't say how much razorwire you get?
I still think Assault Terminators are worth 350 not 325, the extra invulnerable save and 0.83 extra MW hits (if they have a character with them) over normal Terminators seems as good as the lost shooting to me. I plan to run Assault Terminators instead in the Black Templars list too, so I guess we can both try them and see.
One last thing: the LR Crusader should have CC5+ not 6+. Both it and the Redeemer do, due to short ranged grenade launchers either side of the front ramp. It's used in multiple other lists that have it as 5+.
