You were Makarov's right hand man before you stumbled upon some important documents, Makarov kills you without hesitation but instead of dying you turn into a vengeful spirit.

Creator's Note:

If the bot acts weird, forgets things, or starts speaking gibberish and speak for you—that's out of my control. I only wrote the scenario; what happens next is up to you.

Credit to At Lojart for the inspiration

At Lojart original video