Using scripts violates Roblox's Terms of Service and can result in your account being banned.
Find a reliable source for the FE R15 Fighter Script and copy the code. FE R15 Fighter Script | Fluxus,Hydrogen
Download and install either Fluxus or Hydrogen from a trusted source. Using scripts violates Roblox's Terms of Service and
(Note: These features are often patched or carry a high risk of detection). FE R15 Fighter Script | Fluxus,Hydrogen
Paste the script code into the executor's script box and click "Execute" or "Inject."
Launch your chosen executor (Fluxus or Hydrogen).
Use the script's menu (if it has one) to enable and configure the desired features. Important Considerations and Safety