When an opponent's monster declares an attack: You can Special Summon 1 "Gladiator Beast" monster from your Deck, and it cannot be destroyed by battle
By the end of the series, Yusaku admits that Ai is the best partner he ever had that Ai's FaceHeel Turn and death emotionally devastates him
With that, Atem managed to summon Obelisk to fight Diabound, forcing Bakura to retreat
Its a flexible combo, and is often known as an all or nothing combo deck. Its high-risk, high-reward, and it features some of the best Link Monster engines in the entire game
Elemental HERO Ocean X WATER Level 4 [ Warrior / Effect ] ATK 1500 DEF 1200 Once per turn, during your Standby Phase: You can target 1 "HERO" monster you control or in your Graveyard
Its popularity is not as great as monsters like Neos or Utopia, but its versatility and usefulness more than make up for it