Iron Heroes Iron Heroes was originally published by Malhavoc Press (and now by Fiery Dragon). It has a number of mechanics and structural elements that look like they will suit Echelon d20 well, and I refer to it from time to time for other design purposes. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.