With this Yoga the debilitation ends therefore do not say it to be debilitated. It is a Raja Yoga planet and therefore Mercury will give you positive results. Mercury in the 5th house will give you strong logic , memory, creative ability, confidence and ability to put across your point in a very diplomatic manner. You will not be satisfied easily as you raise your expectations very high. You know you have lot of potential to perform much more and that wants to keep you improving always.