The Dagger Cipher

The Vision and the Voice is a book that was written by Aleister Crowley in 1911:

With the book, the Dagger cipher is outlined:

And, so, “do you have a message” can be encipered as:

Now, can you find the secret message here:

Hint: https://asecuritysite.com/ctf/ctf_dagger

And if you like ciphers, there’s 131 of them here:

https://asecuritysite.com/challenges/ctf