Well, thrice typically means "three".
Umm, after you cross the labyrinth, you come to a room. There, you click on the picture of the minotaur, and catch the red eyed snake thrice.
You get the snake with the red eyes 3 times
Medusa Erinyes
You wait at one hole and try to get the snake 3 times.
You have to hit the head of the red eyed snake three times. Then a gate opens and you can pass through.
The monster you are referring to is the Hydra. The Hydra is a child of Typhon and Echida.
You click on the snake with the red eyes when he comes out of the picture. Then it will open the door!
Nobody knows exacaly when the snake is going to pop up. Click really fast when you see the snake.
you click on the snake with red eyes 3 times and the gate will open
An Aesculapian snake is a European species of nonvenomous snake, Latin name Zamenis langissimus, associated with Aesculapius in Ancient Greek mythology.
u need to be fast