If you clarify the title's origin or provide more context (e.g., author, language, genre), I can refine these suggestions!

Moreover, if it's a story related to Zoroastrian mythology, there might be resources in academic works or literary archives. I should also consider the possibility that the user is referring to a different language or a transliteration issue. For example, "Kohan" might be a misspelling of "Khoja" or another term.

I need to verify the existence of this title. If I can't find any official sources, I should advise the user that there might not be legal free sources available. Also, if the user is looking for a download, they might be interested in pirated versions, which I can't support. I should guide them towards legal alternatives, like checking if the book is in the public domain or available through libraries or legitimate online stores.

Since it's a free download, maybe it's available on a specific platform or website. But given the way the user has structured the query, they might be looking for where to find it legally. However, I should also consider that some content might not be available due to regional restrictions or copyright laws. Additionally, ensuring that the source is ethical and legal is important.

I should check if there are any known books or stories by that title. Maybe the user made a typo or there's a translation issue with the title. Let me see... A quick search might help confirm if this exists. Wait, "Khoan" could relate to the Persian epic "Khamseh" by Nezami, which includes stories like "Khosrow and Shirin," but I don't recall "Ahriman's Gift" being part of that. Alternatively, maybe it's a modern work.

Another angle: sometimes users mention stories they want to read, but the title might be incorrect. Could the user be referring to a different title? For example, "Ahriman's Gift" might be part of a series or a lesser-known work. Alternatively, maybe the user is referring to a story by the author Kohan, and "Ahriman's Gift" is the title.

In summary, the user is asking for a story related to Ahriman (the Zoroastrian evil spirit) possibly from a source named Kohan. They want it freely downloadable. The best approach is to explain that I can't provide direct links to pirated content and suggest legal alternatives or correct the title if there's a mistake. Also, if the user has more context or is looking for similar stories, I can offer recommendations based on Zoroastrian themes or other epics.