The season is SPRING. The cold has finally receeded, and leaves are beginning to sprout from trees. Pokemon are coming out of hibernation and poking their heads out into the world again.
One thousand years ago, the volcanic Mt. Edom erupted, spewing lava that devastated the entire region. Still active, Mt. Edom more recent eruptions are minor affairs, happening every few decades but never extending beyond Tirza. Edom Wastes is the highest point of Mt. Edom, where lava still gurgles and flows. Fire pokemon are plentiful here, and many scourge have found that the local pokemon are a particularly zesty treat.