You mastered in a specific kind of ritual called the Mandrake ritual. The ritual needs 100 Gold dust and a Mandrake root. It takes continuous 3 hours to perform the ritual. Once finished you will be able to successfully create a body double of yourself. The body double will look exactly like you when you started the ritual. The body double will be created even with some non magical equipment you are wearing while performing the ritual (only weapons and armor). The body double will stay alive for 12 hours. Once the 12 hours passed, it disappears into dust with all the equipment it's wearing and on it. It will obey all of your verbal and telepathic commands and friendly with your allies. If no commands are given then it defends itself or takes no action. It thas all of your memories and habits.
You can telepathically communicate with your body double upto 60ft and it communicates back with you the same way. No line of sight required and no any barriers will prevent this communication. The body double never initiates telepathic communication first unless told by you to do so.
Roll initiative separately for the body double because it counts as a separate creature. The body double will be at the same player level as you and use all of your stats to take it's actions but will have half of your hit points. It can also cast spells if you have spell casting ability, but uses your spell slots. All regular spell casting rules apply the same way. For example you both cannot concentrate on concentration based spells at the same time. If the body double dies or killed before it's 12 hours lifespan,the telepathic bond between you creates a psychic pain in your mind and you will have 1 level of exhaustion. You cannot create the body double on the same day its dead or disappeared.
A wisdom saving throw of DC20 can be made to identify the difference between you and your body double as long as you look the same way when the body double appeared first.
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