Final answer:
The question seems to be about a specific non-academic context, such as a game or novel, and cannot be answered accurately without more information.
Step-by-step explanation:
The question regarding the number of weapons known for the first conclave does not appear to be related to an academic subject or standardized test content. It may reference a specific game, novel, or other media content rather than a school curriculum. Therefore, without additional context, providing an accurate answer is not possible. For accurate and relevant educational assistance, please provide a question that pertains to a specific academic subject.