Luck Deduction: from Martial Arts Examination to Imperial Master

I grew up in a poor family, my sister was waiting for death, but I ended up unwinding in the ancient dragon-burial coffin! Deducing luck and calculating all the secrets, from the coffin board of the imperial examination to the thorn in the heart of the empress, along the way, I want to usurp not only fate, but also the luck of this glorious divine dynasty!