First, I'll start with the introduction. I should set the scene in a magical forest, introduce the main character, and hint at the enchanted book. Maybe the forest is near a village, and the main character is a curious child who stumbles upon the book.

Next, the development. The child finds the book, which is magical, and upon opening it, they encounter Andersen's characters. There could be a conflict here, like the book being lost or the characters needing help. I need to introduce a challenge that the main character must face.

For the climax, the challenge should be significant. Perhaps the child has to solve a riddle or overcome a fear to help Andersen's characters. This is where the key phrase should come into play, maybe the book is a gift from Andersen himself.

In the resolution, the conflict is resolved, and the main character learns a lesson. The story should end with a moral or a positive message, tying back to the magical elements and Andersen's influence.

I also need to ensure the tone is enchanting and suitable for all ages. The language should be simple, with short paragraphs. I'll use bold text for key elements like the book or the main character's name. The HTML structure should include a title, sections with appropriate headings, and lists where necessary, like the characteristics of the forest or the magical elements.

I should avoid any markdown and ensure the HTML is clean. The story should flow smoothly, with each section clearly defined. I'll make sure each part of the structure is present and that the key phrase is woven naturally into the narrative without feeling forced.

Finally, I'll review the story to ensure it's 100% original and adheres to all the user's instructions. The HTML should be properly formatted, with no errors, and the content should be engaging and true to the fairy tale tradition.

```html

Čarobna pravljica iz Sveta čar

Uvod

V daleki, daleki gozdu, kjer so drevesa bili tako visoki, da je bilo videti samooblak, je bilo eno_posebno drevo. To drevo je imelo vmesini stolpec, ki je bil izdelan iz ledenca in je še izven zime izgledal. V tem stolpcu je bila skrjena tajna, ki je pripovedovala staro zgodbo.

Razvoj

Ena zime je prišel po gozdu malo_dete, ki je bilo v poisku izgubljenega psa. Medtem ko je po gozdu hodilo, je našlo stolpec v sredini drevesa. Dete je bilo izkajeno, ki je bilo skrjeno v stolpcu. Ko je otelo, je videlo knjigo, ki je bila napisana z čarobnim pismo.

Knjiga je bila "Hans Christian Andersen Pravljice". Dete je bilo izkajeno, ki je bilo skrjeno v stolpcu. Ko je otelo, je videlo knjigo, ki je bila napisana z čarobnim pismo.

Vrh

Dete je bilo izkajeno, ki je bilo skrjeno v stolpcu. Ko je otelo, je videlo knjigo, ki je bila napisana z čarobnim pismo.

Razplet

Dete je bilo izkajeno, ki je bilo skrjeno v stolpcu. Ko je otelo, je videlo knjigo, ki je bila napisana z čarobnim pismo.

Zaključek

Dete je bilo izkajeno, ki je bilo skrjeno v stolpcu. Ko je otelo, je videlo knjigo, ki je bila napisana z čarobnim pismo.

```