LGfM 154 Shouldn't be on 

-playlist of this chapter: Not Only You by Viviana de Sando 

... 

In the end, Petra could see a ray of light above. The surface of the sea that he was aiming for finally revealed itself slightly. A tinge of white combined with a golden yellow that feels warm to the eye. 

The faster Petra moved her limbs to immediately reach the surface. The bubbles of water that contain oxygen to sustain life are getting thinner. Petra felt bad because the embodiment of the water element was fading and there was no longer a smile on her face. 

The main factor in this was none other than Petra's physical condition, which was getting weaker as she continued to swim upwards. At times like that, only Petra's physical strength could be relied on. They, elemental embodiments would not be able to help physically because they were only spiritual powers.