If Tzeentch's labyrinths and crystal palaces represented endless change, then Nurgle's Garden of Nurgle represented eternal stagnation and the infinite cycle of decay and rebirth. As a god who, to some extent, represented life in the universe, Nurgle was indeed a kind and easygoing deity compared to Khorne, the mentally unstable maniac with KPIs hanging over his head; Slaanesh, whose mind was filled with nothing but filthy yellow trash and all manner of perverse games; and Tzeentch, the unscrupulous boss who loved screwing over his own people even more than his enemies.
That was, of course, assuming you could survive his benevolent blessings. Mortals unable to bear his might would march toward death amid endless sickness and decay, or else face the torment of eternal disease, something even more painful than death.
But if you were lucky enough to survive the blessing, then congratulations—please enjoy the lush and magnificent scenery of Nurgle's Garden! Flesh flowers waiting to bloom, earth studded with mold... the flawless needed no splendor. Nurgle was a true artist. Tzeentch was merely a troublemaker, while the young Slaanesh was a debauched wanderer. As for Khorne's narrow-minded, savage temper, we could not even be bothered to acknowledge it. —"Raven" Osalus, Plague Space Marine Captain, Champion of Nurgle
Imagine this character: a combination of your loving grandfather and Santa Claus. Every day was Christmas, and you received gifts he had carefully prepared for you—but those gifts were germs brewed in all kinds of cauldrons.
Your life had already rotted into a pile of runny shit. No one loved you, and no one cared about you, but Papa Nurgle did not. He showed you love and compassion, accepting you exactly as you were. Even if you were unshaven, never washed your underwear, and occasionally picked your nose and ate it,