Hello Everyone,
To become an Invincible, people don't need to possess super natural power or huge money wealth or dangerous weapons or physical body. These things only add to your armory. But to become more dangerous or Invincible one need to have solid control over their feeling or emotions.
These two human traits work as a ignition fuel to make any human dangerous. Once human able to have their control on these traits then nothing can make them lethal. These two factors are humans weakness or strength of they unable to control them then, it leaks their capability resulting in unawareness or losses.