butt monkey

You conjure a monkey inside of the rectal cavity of another individual this monkey does everything it can to escape the DM rolls a D10 each turn for the monkey upon a 9 or 10 the monkey finds the anal opening and escapes dealing 1D4 damage and instilling a fear of monkeys upon the person forever. upon a roll of a 1 the monkey dies and must be removed or it will kill the individual in 1D10 days due to severe constipation on a roll of 2 to 8 the monkey deals 1d6 slashing damage to the target.