Genesis of the Imperial Fists rituals. Why the fist is black?

Did you ever wonder why the fist is black?

One might be surprised with description down below. The pinnacle of human civilisation, the most trusted soldiers of Emperor practice such barbaric custom? Yes. Imperial Fists burn their clenched fists in fire, scorch them to the black burned piece of meat and then wait for it to regenerate while making an oath of loyalty to the Primarch.   Continue reading