Ice Age: Several locations become snow terrain and arctic monster lairs spawn.
Lost Isle: A ancient island long lost to history rises from the ocean.
World Breaker: Several areas of flat terrain becomes mountains and other mountains become flat terrain. Earth Elementals and Rock Spiders rise from the depth of the earth and random improvements are destroyed in all cities.
Woken Dragon: A Cumbercoil dragon spawns and wanders the world.
Treasures of Heaven: A comet crashes to the earth. Be the first to the crater in order to secure it for yourself.
Age of Fangs: A powerful Beast Lord spawns. Tougher and tougher beasts spawn everywhere until he is destroyed.
Father of Storms: A powerful hurricane ravages the world. All units take 50% damage and are randomly teleported within 15 squares. Air elementals spawn around the world.
Drought: Food production is reduced by 25% for 50 turns. Random areas turn to desert.
Flood: Production is reduced by 25% for 50 turns. Random areas turn to swamp.
Crystal Shift: All shard resources are destroyed. An equal number of new shards spawn around the map randomly.
Shards of Avarice: Each Sovereign is granted a Shard of Avarice. If a sovereign is defeated in combat the winner gets the shard. The first person to get over half the shards wins.
Gold/Crystal/Metal Rush: Several mines spawn across the map. +25% to X resource production.
Tidal Surge: All units within 4 tiles of water take dmg. Water elementals spawn along shores.