Before asking for help, ensure you have:

If the game crashes on modern Windows, use Compatibility Mode (set to Windows XP or 7) .

The standard Power of Chaos AI was notoriously passive. The Dartz mod rewrites the decision tree. Dartz will:

First, a critical clarification: The official Power of Chaos trilogy only covers the Battle City and Virtual World arcs. The term "Yu-Gi-Oh! Power of Chaos: A Duel with Dartz Mod" refers to a series of community-created patches, texture swaps, and card pool expansions that allow you to duel a Dartz-themed opponent or use cards from the Orichalcos arc (e.g., The Seal of Orichalcos , Orichalcos Kyutora , Orichalcos Gigas ).

If you are looking for a modern, legal way to play Yu-Gi-Oh with these cards, check out or Yu-Gi-Oh! Duel Links on mobile/PC/Console, as they have periodically released "The Seal of Orichalcos" as a skill or card.