As part of update 3.1.0, Total War: Warhammer 3 has another free legendary hero. Last time it was the Kislevite vampire Ulrika Magdova, and this time it's a hard counter to undead like her: Harald Hammerstorm, also known as Harry the Hammer, a Chaos Warrior who specializes in killing anything that rises from the grave.
If you didn't already go through this step to unlock Ulrika, to get Harry in your game you'll first need to register a CA account and connect it to your platform of choice. Otherwise, you can skip that process. With that done, the hammer-wielding Kurgan will join a Warriors of Chaos army in any campaign after you complete his quest «The Hammerstorm Cometh», which appears when you get your legendary lord up to level 15. It demands you kill 3,000 enemies in battle, after which he'll spawn beside your legendary lord on the campaign map. Note that he won't join any of the Daemons of Chaos factions, just Warriors of Chaos like those led by Valkia the Bloody, Festus the Leechlord, Azazel and so on.
Harald Hammerstorm is a character with a heck of a lineage, going all the way back to the first edition of tabletop game Warhammer Fantasy Battle in 1983. While the Warhammer world didn't exist at that point, the rules presuming a generic fantasy setting, John Blanche's cover art depicting a heavily armored warrior twatting a skeleton with a hammer would be referenced in later editions. Nicknamed «Harry the Hammer» by Games Workshop's staff, he was Warhammer's first mascot. Though later editions would retroactively make Sigmar's magic hammer the Warhammer of its title, as designer Graeme Davis has said, «Sigmar was consciously based on [Harry].»
Eventually Harry was inducted into the canon, written up as Harald
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