The Hercules key makes the wearer three times as strong as they usually are.hideousenergy)
"Half of the 8th army and a seemingly endless bunch of SS-Men were waiting there for me! I hurled Eric against the wall and heard his ribs break, as if someone had jumped on a bundle of twigs. I have to admit it sounded like music to my ears! With the other hand I hit the soldiers and they flew through the air like matchsticks. The Hercules-Key released all the power in me that I had not possessed as a goddamn cripple. But the Sturmbannführer (a military title in the 3rd Reich army - Andi Preller) knew how to wear me down/ finish me off!"