Seven steps into a poem true son of heaven smoky flowers in March down Yangzhou

This is a riddle, and the answer is "snake". The answer is "snake", because the snake is the most resilient of the twelve zodiac signs, with a strong regenerative ability, and can quickly regain its energy after every battle. The phrase "seven steps into a poem" is a metaphor for talent and quick-wittedness, which is in line with the characteristics of the Snake. The phrase "the fireworks go down to Yangzhou in March" refers to the fact that the Snake is most active in the month of March, and moves around a lot.