The vast expanse of the Empire yields an astonishingly diverse array of Imperial Guard regiments, each a product of its homeworld’s unique culture and conditions. From the hive cities come savage gangers, brutalized by a lifetime of violence in the underhive, wielding crude weapons with savage efficiency. Their armor is adorned with makeshift spikes and gang symbols, a reflection of their lawless origins. In stark contrast, the religious zealots of shrine worlds march into battle with fervent devotion, their armor covered in purity seals and holy icons, eyes wide with unquestioning belief as they shout prayers to the mighty God-Emperor. There are regiments from death worlds where survival is a daily struggle against hostile fauna and flora, alongside highly disciplined, aristocratic forces from noble-born families. These wildly different regiments, united only by their unwavering loyalty to defend mankind, stand shoulder to shoulder on the battlefield, each bringing its own form of deadly expertise to the fight for Humanity's survival.