So, a recap of the situation, because it wasn’t clear.
I used a script to search for html comments that might have a link to the riddle.
I found 3 other Tofugu articles, with one saying “Almost there” with a Book cipher clue.
This means that we might be able to skip some part (small? large?) of the riddle if we only solve this last step, which might ruin some part of the experience for people looking to do it step by step.
The explanation of what I did is in the post 4394:
So by discussing with @Belthazar we decided to edit it out, forget it and let everyone do it as it was intended.
Sorry @ctmf and others if you felt left out, it wasn’t the purpose, I was just going to leave it alone and focus on step 2.
A new thread has been created since people want to focus on the book cipher now:
(SPOILER EDITION) Descent of the Durtle into Madness
@a-regular-durtle made its apparition in this thread to approve:
So since it’s approved now, I restored my post to an explanation, but keeping it with a spoiler if people still want to ignore it. 