create a minecraft item that has the following description: 'Create a Minecraft mod where the player begins as William, a fragile human cursed by a corrupted soulbound item that binds them to an ancient internal system known as the Codeforge Core, which consumes a unique corrupted energy called Fragmented Code. This energy is gathered solely by killing mobs and represents broken shards of corrupted game code that fuel the player’s transformation and power growth. The Codeforge Core acts as the heart of the player’s evolution, absorbing Fragmented Code to forge and refine Soul Cores, granting new Soul Aspects—passive and active abilities such as glitch stepping, blink teleportation, lash attacks, healing regeneration, and reality-warping effects. As Fragmented Code accumulates, the player ascends through canonical Error404 forms, each representing a milestone Corruption Level: starting as William (with minor glitch instability and vulnerability), evolving into Awakened Form where the player gains minor control over corrupted energy and passive regen, then into Error404, marked by increased speed, melee glitch strikes, and enhanced combat prowess; followed by Puppet Master, unlocking ranged lash attacks and summoning ethereal Echoes—corrupted fragments of defeated mobs that provide summoning and buffs; next to B.U.T.T.E.R.F.L.Y, granting temporary flight bursts, AoE glitch pulses, and area knockbacks; progressing into B.U.T.T.E.R.F.L.Y 6.6.6, unlocking devastating multishot projectiles, massive glitch explosions, and short-range teleport dashes; then the Conduit of Balance, where the player wields restorative healing auras, phasewalk invulnerability, and soul-sealing shields. Upon gathering enough Fragmented Code and mastering Echoes, the player ultimately transcends into Perfect!404 and its final form Perfect!404 B.U.T.T.E.R.F.L.Y, becoming a conceptual cosmic entity capable of bending reality, warping time, and corrupting the environment with layered glitch effects. The progression system is entirely driven by natural mob kills and essence absorption, with no bosses or special drops, and includes immersive UI elements like progress bars and transformation announcements. Powers and forms unlock automatically, scaling in power and complexity to simulate the player’s journey from a broken human soul to an unstoppable multiversal Error god, fully inspired by the Shadow Slave progression mechanics.
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