If you were to use a memory editor (like Cheat Engine) to change your Health value to 999,999, your screen might display that number. But the server still knows your actual health is 100. If an enemy hits you for 50 damage, the server calculates the death, and you die—despite your screen saying you have 999,949 health left. You cannot "mod" the server.
Generally tolerated by the community as it only adds a post-processing layer to the rendering and does not interfere with game data. 2. In-Game Equipment Modding (The Real "Mod Menu") dc universe online mod menu pc