Creating a script for a game like Roblox, especially one that interacts with or modifies the game's mechanics or adds new features, requires a good understanding of Lua programming language since Roblox uses Lua as its scripting language. The "Onikami Legacy" script you're referring to seems to be a specific script or concept within a Roblox game or project.
Because Roblox games are client-replicated, the LocalScripts that handle movement and visual effects are visible to the player’s machine. In Onikami Legacy, this has led to the proliferation of "Auto Farm" and "Silent Aim" scripts. These scripts hook into the game’s remote events. onikami legacy script roblox
Executor Requirement: You generally need a third-party software (an "executor") to run custom Luau code within Roblox. Creating a script for a game like Roblox,
are widely available on YouTube to help you progress manually. Safety Warning Use pcall around risky calls to prevent script crashes