C509 The Mysterious Remains Under the Abyss(4)

"Uh... that... Sivil, can you guess how deep this pond is?"

Fann Helsing and Sivil stood at the border between the light and darkness in the pool. One step forward was the dark 'abyss'.

"About two hundred meters... but I don't know if it's right or not. Maybe it's because of the lack of light at night, or maybe it's because the minerals in the water are different from other water bodies..