From Yellowcurtain

Puzzles Walktrough

Puzzles of Episode 4 :

01

02

03

04

05

06

07

08

09

10

11

666

CityID

Map

Episode 4 : Puzzle 4

Puzzle:	The 13 Spirit
Reference:	Clue4
Current Status:	Solved
Source:	Pop-up	Blog

Summary

March 10th 2010.
The Pop-up background is a daemonic sigil.
The Blog shows a photo of the cover of "De Praestigiis Daemonum" by Johann Weyer
The Pop-up asks "J.W."

SOLUTIONS (spoiler)

Step 1 / Conclusion

Identifying the sigil as Byleth provides the answer, which in turn provides four pages from Beatrix to Harley