Item description:

Tutorial:
Resign your X-Men Destiny save with mine (assuming you know how to resign using Xploder)
Put to resigned save onto your USB and copy it over to your ps3
At the main menu screen select Continue
When given difficulty settings select X-treme
When game loads simply press the [Start Button] button and select Quit and the select Yes to return to the main menu
Now select Load Game, go to your mutant save file and Select Mission to load the final mission of Final Showdown
Simply finish the entire mission and beat the final boss

Tips for beating the final 2 bosses:

When you have 3 of the power bar things hold R2 and press CIRCLE to activate the Titan.
When the titan is activated you will not receive any damage and you will deal massive amounts of damage.
Use this against the Bosses and you will have defeated them in no time.