Iyarkai Tamilyogicc -

The word iyarkai (இயற்கை) in classical Tamil means “nature” — not as a backdrop to human drama, but as the very substance of reality. It implies spontaneity, the uncarved state of being before artifice. When Tamil Siddhars (the mystic poets and alchemists of the Sangam and post-Sangam eras) spoke of Iyarkai , they did not distinguish between the “inner” nature of the mind and the “outer” nature of earth, water, fire, air, and space.

Breath control is paramount. In Tamil tradition, breath is the bridge between the body and the soul. iyarkai tamilyogicc

Earlier, Marudhu had written his name and "Captain" on two pieces of paper as a way to let "God's wish" decide Nancy's fate. In the final shot, Marudhu drops the unrevealed paper into the ocean. Breath control is paramount