<<A magical book of shadows!>>

This book has the following function. It summons a being that perfectly replicates you or the person you imagine. The shadow either mimics your movements or obeys any command you give. The shadow perfectly replicates you or the person you imagine in appearance, but is completely dark and has small, glowing eyes. You can change the shadow's appearance, add body parts, change its clothing, its color, and anything else you desire.