The Wanderer's Journal begins with the Edenic Blue Age when Athas was once covered with a vast body of life-giving water under a blue sun. Halflings ruled Athas during this time, building a powerful civilization. They were nature-masters and life-shapers, able to produce anything they needed by manipulating the principles of nature itself. The age came to an end by accident. The halflings of the great city of Tyr’agi tried to increase the sea's fecundity in order to produce more creatures and plants. The experiment failed, however, instead choking the sea with a toxic brown tide that spread across the waters, killing everything it touched.
