C562 Bird Chirps 20

After leaving the cave, Rongxiang decided to camp outside the cave for a few days to keep the wind in case someone ran into the cave. At that time, the glass might be damaged, but it would be troublesome if the person who went in was poisoned with mercury.

In fact, although Rongxiang knew that mercury was poisonous, But he did not know how poisonous mercury was