This post shares the scenarios under which the Ascendant or Lagna is weakened as per Vedic Astrology
When is the Lagna lord weak in a horoscope?
What will happen when Mars and Rahu are placed together in the 10th house of a Scorpion ascendant?
This post tries to elucidate the placement of the North Node(Rahu) with Mars in the 10th House for Scorpio Ascendant/Lagna
Lateral Thinking 