When the Blazing Arena is upgraded to "Fight Cave 2.0," when treasures of Adamite Ore, Red Dragon Leather, and Yew Wood lie buried beneath the desert, and when flying carpets replace walking as adventurers' new favorites this update, named "Umbral Sands," is destined to excite and nerve-wrack every veteran. It raises the difficulty from a "tough start" to a "questioning existence" level, yet...