If you have beaten the game legitimately once, using a trainer to turn Prophet into a literal god of the jungle is a power fantasy that Crytek unintentionally supports through their developer console (which they disabled in retail).

Renders the player immune to all damage.

A is a third-party program that runs alongside your game to modify its memory in real-time. Unlike console commands or "cheats" typed into a menu, a trainer allows you to toggle powerful features with a single keystroke.