A Quick Look at Tilea
At the start date Tilea is divided among the principalities of Tobaro (famous for it's former monarch, the magnificent Piggolo I), Miragliano, Trantio, Remas, Pavona, Verezzo, Luccini, Monte Castello, and Sartossa. In 2010 IC each of these realms is still held by a hereditary ruler, but the Reman Trade Company and the Verezzo Merchants League are steadily gaining money, power, and influence in their respective realms.
Also, as you can see above, the borders of these realms are not stable. Trantio own a part of Remas, Remas controls territory in Pavona and Verezzo, Pavona owns a piece of Trantio, etc. This means the Principalities of Tilea will often be at war, requiring the use of the various mercenary regiments of renown like the Leopard Company, the Besiegers, the Venators, the Alcatani Fellowship, the Marksmen of Miragliano, and the Birdmen of Catrazza.
This looks very nice!
I gotta say I love it. And I am a long time player. Started end of the 90's. And keep in mind, the end times are "The End Times" this might simply be the destruction of everything so why should a minor country like Tilea (or others) survive this? There are still rules for the "normal" game and you can play your Tilea, Estalia, Cathay armies if you like, heck even in the End Times you could replay the glorious last stand of them. Personally I would not mind if those would... vanish they were never original. Problem is that Bretonia and the Empire isn't either

so we'll see.
The Moderator hath spoken, so I won't discuss this, but I'll say this: it was a very original concept. Where else could you find high fantasy well woven into historical realism? Which fantasy world has Germans and French and Italians without it sounding strange? The Warhammer lore made something very clever: what if all the stuff that XVth Century people believed in was true? What if forests were indeed haunted by spirits? What if the devil really could get into the midns of the freethinkers,just as some inquisitors proposed? What if there were other worlds full of different creatures? The Perry brothers and other founders of Warhammer were, above all, history buffs, that's why Warhammer was so historical in its conception. It's one of the few fantasy worlds that makes at least a bit of sense. Or it did.
And it had lots of mystery and allure. Not because it followed the tropes of hight fantasy, but because it used them and subervted them while doing something even more clever: mixing real history and cultures with high fantasy made three things possible:
1- A very easy pattern of translation and source of ideas: the real world, let's translate it into our fantasy! Sometimes it comes up racist, but sometimes it's fun and interesting. Like, sure, Skavens and Dwarves are not translating anything at all, but the Ogre Kingdoms have a distinct Mongol feeling on their eyes and fu-manchus. Aaaaand that's a bit racist, but also (see below)
2- It makes very easy to recognise and associate with the world. Cantaraelle? Oh, it may be a beautiful city, probably. Middenheim? Oh, I have just the right image in my head. The same for the rest, Estalia and Tilea are caricatures of XVth Century Spain and Italy, which makes them closer to us, more recognisable. They don't need to explain us how it's like there, we have already an idea. I'm not saying, mind you, that having all-new cultures is worst, it's not. It's just that copying the real Medieval world and applying tropes and exagerations, making caricatures of it, is not only tons of fun, but also makes for a very close, appealing game. I mean, Bertrand de Bergerac and his Merry Men! Wonderful. Marco Colombo from the Lustria campaign? Genuinely funny.
My problem with the End Times is that it's not a genuine campaign, it's all sells boost shenanigans; it's badly written, poorly explained, the characters implicated act stupidly (Storm of Chaos finale levels of stupid. Remember that?) and any good idea that might be there is stucked into such a pile of crap that the campaign itself makes no sense. They're killing everybody just because, not because there was a story that lead up to it. It's a selling stunt and it's shameful.
If, in the end, it ends up compressing all the Warhammer stuff in one continent, they'd have fucked up all that they had accomplished fluff-wise. WH40k is very successful because it's cool guys in space suits? Not really, objectively the space suits couldn't be more 70's even if they tried, they look like tin cans. But I love those tincan marines because they're cool acid-spitting soldiers genetically engineered to burp slogans and catchphrases every other hour. They have fluff on their side, and the world they inhabit has mystery, lots of it. It's huge, it's amazing and it's mostly unknown.
Really? They fucked up my first beloved rpg world this bad? What's next step, making it into some moba shit and abandoning everything else?
Yes, my thoughts exactly.
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Now, so that the Moderators can't call me again to order (sorry, sorry), I'll add to the main topic of conversation:
Sartosa! What to do with it? There seems to be undead pirates in Sartosa, but also it seems there's some kind of Pirate Society. I'd suggest to model it after the Nassau republic that the Assassin's Creed games have babbled so much about. It was mainly a safe haven for pirates, where they could sell their stolen goods, which then would be imported into other lands. The peasants and people of Sartosa are probably making a lot of money from this, but the Corsairs also have power of coertion through their violent bands of ruffians.
I'd also suggest to add in several "Kings of the Sea", because it's a cool thing, and if the people at GW ever did a codex for Tilea, they'd add this for sure. You can have the Pirate King of the Tilean Sea, the King of the Black Gulf, the King of the Dread Isles, the King of the Southern Seas, the King of the Sea of Ind, the King of the Sea of Claws, etc... all these guys might converge in Sartosa every once in a while. Have the titles made, have the pirate kings be expensive mercs that do stuff sometimes on their own through events,a nd add events that model their Grand Meetings of Piracy, Felony and Buccaneering, and you'll have the coolest Sartosa in this side of the Internet.