Hammerfell is not confirmed. I want that at the top, so nobody quotes this thread back at me in 2028. Eight years after the teaser, and days after another Xbox Showcase came and went without a word of TES VI, the case rests on two legs. One is geography: that 2018 coastline, frame-by-framed by the community into a persuasive match for the Iliac Bay, most plausibly Hammerfell's side of it. The other is a wink: in January, Skyrim co-lead and ex-loremaster Kurt Kuhlmann said in an interview that the setting was locked by internal consensus back during Fallout 4's development, "obviously it should be here", then declined to name it. An insider tease, not an announcement; the only sources saying "Hammerfell" out loud are unverified leaks, which we'll get to.
There are older threads here for the where-will-it-be-set argument; this one asks the other question: if the coastline-readers are right, what has the lore already built? The honest answer, after a few evenings in the sources: more than any other province. Hammerfell comes pre-loaded.
A homeland they may have broken themselves
The Redguards arrived in Tamriel as refugees and conquerors in the same fleet. Yokuda, their continent far to the west, sank in the First Era, and the sources disagree about why, as Elder Scrolls sources beautifully do. The polite account is natural cataclysm. A nastier tradition blames the Hiradirge, defeated stone-mages opting for scorched earth on a continental scale. And the one I keep returning to is the Pankratosword: an Ansei using the forbidden cutting-stroke that severs a thing's very foundation, and the ocean finishing the job. I'll commit: I want the third to be true. A people who lost their homeland is a tragedy. A people who may have cut it apart with a sword technique they then swore never to use again is an Elder Scrolls story.
In 1E 808 the Ra Gada, the "warrior wave," took the province with a speed that terrified its chroniclers, and Tamrielic mouths mangled their name into "Redguard." Even the province's name is a Dwemer joke, if you believe the legend: the Rourken chief hurled Volendrung across the continent and settled where the hammer fell.
Crowns, Forebears, and what the leaks lean on
Behind the warrior vanguard came Yokuda's old ruling class, the Na-Totambu. Their heirs became the Crowns, traditionalist and Yokudan to the bone, seated in old Hegathe; the warriors' heirs became the Forebears, cosmopolitan and Empire-friendly, ruling from the port of Sentinel. The feud has run cold and hot ever since. When High King Thassad II died in 2E 862 it went very hot, the Forebears invited Tiber Septim in, and the Crown cause died with Prince A'tor at Stros M'kai. That's literally the plot of TES Adventures: Redguard, the last game Bethesda set here, in 1998.
The rumour mill knows it. The 4chan "TES VI: Iliac" leak builds its faction system on Crowns versus Forebears, rumour, widely read as fabrication once people saw its release window, and the older eXtas1s claims, also unconfirmed after a promised trailer never materialized, name Hammerfell plus coastal High Rock as well. Careful with the inference, though. A leak leaning on Crowns and Forebears proves only that the leaker reads the same wiki you do; it's the first thing any literate faker would reach for. Granted, the lore making it that obvious is half my thesis.
Sword-singing, in a country that distrusts magic
Two primary sources: Frandar Hunding's Book of Circles, the exile-philosopher's manual for the Way of the Sword, and From the Memory Stone of Makela Leki, where a sword-singer dying in the Bangkorai pass records how the Shehai, the spirit sword, formed in her hand when all else had failed. The Ansei could will a blade into being. That's the Redguard answer to magic, from a culture that wants nothing to do with it: wizardry mistrusted, necromancy so loathed that one tribe, the Ash'abah, stays ritually untouchable just to handle the risen dead.
That's gorgeous friction. Half the classic Elder Scrolls toolkit becomes socially radioactive; summon something in a Sentinel market and see how the guards take it. And this series is at its best when a culture's self-image can't survive its own books: the Shehai is plainly magic. The Redguards just refuse the word.
The Thalmor lost here, and both sides remember
The Great War ended with the White-Gold Concordat ceding southern Hammerfell to the Dominion. The Redguards refused, the Empire renounced the province to save its treaty, and Hammerfell fought on alone until the Second Treaty of Stros M'kai in 4E 180 sent the Aldmeri home. That makes Hammerfell the only province to face the Dominion alone and make it leave, and it managed that because Crowns and Forebears finally fought side by side; nobody has forgotten. Skyrim planted the sequel hook in "In My Time of Need," where Alik'r warriors hunt a woman who allegedly sold Taneth to the Dominion, and the quest never proves who's lying. A Fourth Era Hammerfell is a cold-war setting by default: the Thalmor wanting their rematch, and the HoonDing, the Yokudan "Make Way God" who manifests when the Redguards need an obstacle removed, overdue for work.
The map writes its own hooks. Sentinel for intrigue, Hegathe for memory, and little Lainlyn, which Daggerfall players will remember for the Host of the True Horn, an exiled knightly order plotting to unseat Baron Shrike. A civil war one barony wide, ready-made for a questline.
So here's where I land, bias declared: Crowns versus Forebears shouldn't be the main quest. Make it the terrain, the way Skyrim used its civil war, under a Thalmor cold-war spine, with a sword-singing revival as the player's thread through it. The thing I most want answered on screen, though, is older than all of it. Fellow scholars: which account of Yokuda's sinking do you actually believe, cataclysm, Hiradirge spite, or the Pankratosword, and should TES VI answer it outright, or does it belong with the Dwemer's disappearance in the pile of mysteries worth more unsolved?
Related reading: everything we actually know about TES6, the Towers and their metaphysics, and Dragon Breaks for beginners. Very relevant if VI really does return to the Iliac Bay.