The Duelist Companion was a separate periodical mailing sent to subscribers of The Duelist Magazine.
| File | Status | Description |
|---|---|---|
| The Duelist Companion 001-002 | Missing | |
| The Duelist Companion 003 | Good | |
| The Duelist Companion 004 | Good | |
| The Duelist Companion 005 | Good | |
| The Duelist Companion 006 | Good | |
| The Duelist Companion 007 | Good | |
| The Duelist Companion 008 | Good | |
| The Duelist Companion 009 | Good | |
| The Duelist Companion 010 | Good | |
| The Duelist Companion 011 | Good | |
| The Duelist Companion 012 | Good | |
| The Duelist Companion 013 | Good | |
| The Duelist Companion 014 | Good | |
| The Duelist Companion 015 | Good | |
| The Duelist Companion 016-018 | Missing | |
| The Duelist Companion 019 | Good | |
| The Duelist Companion 020 | Good | |
| The Duelist Companion 021 | Good | |
| The Duelist Companion 022 | Good | |
| The Duelist Companion 023 | Good | |
| The Duelist Companion 024+ | Missing? |