They feel nothing.
They are humans genetically modified to protect the most powerful empire in the world through history :
But after the Great World War, that nearly exterminated the human kind, everyone had enough. The world wants peace and prosperity. That is why, every government voted on deactivating the modified humans in a sealed room deep underground.
Centuries later, archaeologists found the room and took the perfectly preserved bodies back to the surface to study the corpses. Or so they thought.
However, errors were made and the scientists accidentally awakened one of them.
THIS IS A MANxMAN STORY!!!!
Update : Saturday (Well trying to do so...)