: "Developing a piece" is a fundamental concept of moving minor pieces (knights and bishops) to active squares early in the game. An "XL" piece could metaphorically refer to a heavy piece like a Rook or Queen maturing into the game's later stages.
: Developing a piece of gear often involves using Mystic Orbs . Each orb added increases the item's level requirement, meaning the "piece" only "matures" or becomes usable as the character's level increases. xl matures
: Gear in Median XL progresses from Tier 1 up to "Sacred." Developing a piece involves upgrading its tier using recipes, which significantly boosts its stats as the character matures into higher difficulty levels. : "Developing a piece" is a fundamental concept