Lorwyn is an idyllic world where races of fable thrive in perpetual midsummer. Its dark reflection, Shadowmoor, exists in perpetual gloom, its citizens bitterly transformed and locked in a desperate battle for survival.
Lorwyn is the land where the sun never set. Covered with dense forests, meandering rivers, and gently rolling meadows, it knows no nights or winters. One of the few planes without humans, it's populated by the short-statured kithkin, hot-tempered flamekin, petty-thief boggarts, territorial treefolk, diplomatic merfolk, iconoclastic giants, and mischievous faeries, all living together in harmony.
Also among them: the elves, Lorwyn's most favored and feared race. In a world of unspoiled nature, they consider themselves the paragons of this beauty. Signs of elvish supremacy are widespread, from their gilded forest palaces to their mercilessness toward "lesser" races. Despite the elves' dominion, Lorwyn's people thrive, respecting community and tradition.
The land itself, ancient and verdant, is locked in a perpetual cycle—and every three centuries, that cycle transforms the plane into Shadowmoor.
The mirror-image of Lorwyn, Shadowmoor is a realm of perpetual dusk and gloom. Here, the plane's races, without knowledge of their previous selves, are locked in a life-and-death struggle for survival. Like the plane itself, its denizens are transformed into darker versions of themselves.
The kithkin, once communal and cooperative, are isolated and xenophobic. The helpful, silver-tongued merfolk are now assassins and saboteurs. The boggarts, once mischievous and hedonistic, are vicious and warlike. The blighted treefolk are murderous. Wrathful giants drag around huge pieces of the land.
The transformations of the flamekin and elves are perhaps the most dramatic. Once bright and seeking transcendence, the flamekin are now smoking skeletons seeking revenge. Meanwhile, the vain elves are humbled and heroic in Shadowmoor, protecting every glimmer of beauty and light.
Only one race and one place remain unchanged: the faeries and their home of Glen Elendra. The fae are the fulcrum of this transforming plane—for it was their queen, Oona, who caused it.