"Cyber Dragon" + 1+ Machine monsters
Cannot be used as Fusion Material. Must first be Special Summoned (from your Extra Deck) by sending the above cards from either field to the GY. The original ATK of this card becomes 1000 x the number of materials used for its Special Summon.
![Chimeratech Fortress Dragon [MP24-EN022] Quarter Century Secret Rare](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/ygo_placeholder_d65fda64-e4c2-459a-8b38-ba3855e2f3e6.png?v=1726766518&width=1445)
![Chimeratech Fortress Dragon [MP24-EN022] Quarter Century Secret Rare](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/ygo_placeholder_d3e3e017-e1c8-4163-b32d-b95606ee9f56.png?v=1727889058&width=1445)
![Chimeratech Fortress Dragon [MP24-EN022] Quarter Century Secret Rare](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/ygo_placeholder_a91c20f6-e918-42a6-bc41-9ce770aa8a8d.png?v=1728080251&width=1445)
![Chimeratech Fortress Dragon [MP24-EN022] Quarter Century Secret Rare](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/579498.jpg?v=1728491560&width=1445)