A factual piece of information about that combination: WWE Legends of WrestleMania was released in 2009 and is not natively backward compatible with Xbox One or Xbox Series X|S. However, on a , the game can be run from the internal hard drive as a GOD (Game on Demand) or extracted format. It requires Dashboard 2.0.7371 or lower if using the older JTAG exploit, but RGH works on newer dashboards. The game has no anti-piracy triggers beyond standard AP 2.5 checks, which are bypassed with a patched default.xex or dash launch. Save files and DLC (like the WrestleMania Tour mode unlockables) can also be sideloaded via USB or FTP.
It looks like you're referring to for Xbox 360 in the context of JTAG / RGH (custom firmware consoles). WWE Legends of WrestleMania -Jtag RGH-