Mercury rules 5th and 8th house is in 10th house in Scorpio

Mercury in the 10th house of a Scorpio sign can provide great insights and intelligence to individuals in relation to their professional pursuits. This placement can give a person strong adaptability, great communication abilities, and practical knowledge.

However, this placement may also bring challenges in regards to the person's relationships with authorities and their work environment. There is a tendency for conflict with their superiors, due to their tendency to be skeptical and analytical. There may also be difficulty in adapting to authority figures, leading to potential issues in workplace hierarchy.

Overall, this placement can be beneficial in one's career and professional aspirations, but it is important for the individual to be mindful of their approach towards authority figures and their workplace environment.