How to use this tool

The Bestiarium.csv file is an export from Slayer's Pit.

In order to create a new Version of the pack (Compendium):

python extractCreatures.py (tested with python 3.9)
Then, create a new World in your foundryVTT instance (with DS4 as system).
Create an 'Actor' compendium in the tab
Open the dev console (F12)
Type const creatures = and then paste the content of Bestiarium.json. Press Enter
Copy lines 5-9 one after another from addCreatures.js
Download bestiarium.db from foundryVTTs filesystem