"The Sphinx said we should exchange four people from the maze to three people from our world then the escape will appear," explained Daesun.
"Then if it's blue, and it's water, the only water element guardian with us is you, Daesun," said Myungwoo as he helps Hyunki to sit by leaning on a big rock.
"So, the first pond belongs to Daesun," said Doyeon as he pointed to the pond respectively, "Hyunki, Daejoon and me, Doyeon."
Then the four ponds shining brightly again for a second. Then the next second, only the fourth pond that looks normal but the other three shining a dim light. Again, the first pond's light is blue.
"Does it mean now we need to solve the second riddle?" asked Daesun.
"Let's assume it that way," answered Daejoon then pointing at the first pond, "it was blue and it's still blue. What if it still means water guardian?"
"Then it might mean Eunkyung eonni or Doha oppa. But we need to make sure with the other two ponds," answered Sikyung wisely.
They - except Hyunki - walk closer to the second and third pond to find the hint.
"We can find the hint of the second pond around the base... then maybe... oh yes it's here!"
Daesun is looking closely at the small icon that Sikyung pointed at.
"A shield... ah, this is the Protecting Shield's icon! Who can do this among us?"