Additional level

1. Additional level

2.

When walking around the city, a stranger bump
On a piece of paper a sign is drawn:
you.
Apologizing, he runs away.
A little later, you notice an unusual item in your
pocket.
Looking around him, you understand that this is a
note that has been folded several times.
kracq xo
cqdwmna
bcxwn

3.

Strongest sentence does not give you peace. Looking
through the Internet, you will learn about the thunder
stone, now part of the copper rider. It was found not far
from Petersburg, after its excavations a lake was
formed there. Now, Petrovsky pond.

4.

Having searched this lake, you come across a
small suitcase. Case has a three-code lock.
You got a call and a cold voice said:

5.

6.

YOU OPEN THE CASE, AND THERE ...