How to unlock the poisonous snake ring opposite the obelisk?

1. First click to open the game and cross the obelisk, and log in your personal account password.

2. Secondly, in the first act, a stargazer is asked for divination, and then the volcano is taken over for the task of transporting goods. In the fourth act, the goods (a medicine with a speed of -3) are transported to an empty spaceship.

3. Finally, you can unlock the Viper Ring by completing the task level.