* Exodia the Forbidden One (ATK/DEF: 0/10000): This monster can instantly win the game for its owner if they have all five pieces of the Exodia set (Head, Left Arm, Right Arm, Left Leg, and Right Leg) in their hand.
* Chaos Emperor Dragon - Envoy of the End (ATK/DEF: 4000/3000): This monster can destroy all other monsters on the field when it is summoned, and it also has the ability to negate and destroy any Spell or Trap card that is activated.
* Blue-Eyes White Dragon (ATK/DEF: 3000/2500): This iconic monster is one of the most powerful vanilla monsters in the game, and it has been featured in many decks throughout the history of Yu-Gi-Oh!
* Dark Magician of Chaos (ATK/DEF: 2800/2600): This monster is powerful spellcaster that can both attack and defend effectively, and it also has the ability to negate and destroy Spell and Trap cards.
* Relinquished (ATK/DEF: 0/0): This monster can gain the ATK and DEF of an opposing monster by taking control of it, making it a versatile and dangerous threat.
These are just a few of the many powerful duel monsters in the Yu-Gi-Oh! trading card game. The ultimate choice of which monster is the "strongest" depends on the individual player's preferences and strategies.