Mars rules 4th and 11th house is in 8th house in Leo

Mars in the 8th house of Leo sign can have both positive and negative effects on an individual's life depending on various factors such as the placement of other planets and the ascendant of the individual.

On one hand, this placement can make the individual courageous and daring, giving them the strength to face challenges and overcome obstacles with ease. They may also have strong survival instincts and be good at taking risks. The 8th house is associated with transformation and change, and Mars' influence can help the individual effectively navigate the ups and downs of life.

However, Mars in the 8th house can also make an individual prone to accidents, especially those related to fire or sharp objects. They may also have a tendency to be aggressive and impulsive in their actions, leading to conflicts and confrontations with others. There may also be a possibility of financial losses or difficulties related to inheritance, debts, and taxes.

Overall, as a Jyotish astrologer, I would recommend that the individual with this placement focus on channeling their energy in constructive ways and developing a sense of mindfulness and awareness towards their actions. It is also advisable to seek guidance from a qualified astrologer for remedial measures to mitigate any negative impact of this placement.