" Blue Medicine" only increases your own Life Points by 400, rather than both players' Life Points.When you activate " Widespread Ruin", the face-up monster with the highest ATK your opponent controls will be destroyed, regardless of battle position.
You cannot activate " Waboku" during your own turn.If your opponent has no monsters on the field, when you activate " Ojama Trio", then activate another copy of " Ojama Trio" in a chain, a total of 5 Ojama Tokens will be summoned to your opponent's side of the field." Magic Cylinder" still works when " Royal Decree" is on the field.The game ignores the fact that the monster Special Summoned by " Hero Signal" is Special Summoned.But, instead of that an infinite loop activates ending the duel there, unless you have a card to destroy the monster or "Astral Barrier". When a monster that is unaffected by Trap Cards attacks your opponent's monster while " Astral Barrier" is on the field, the monster should attack the other monster.If you correctly guess the result of the flip it has a chance to destroy one of your monster including the attacking " Sasuke Samurai #4. Attacking an opponent directly with " Sasuke Samurai #4" will be preceded with a coin flip.After you attack a face-down " Winged Kuriboh LV10" and it flips face-up, the AI will Tribute it to successfully activate its effect during the Damage Step (regardless of whether or not it would be destroyed by battle).However, its effect won't be activated and it will return to your hand during the End Phase. For example, if your " Pyramid Turtle" is destroyed by battle and sent to the Graveyard, you can Special Summon a " Dark Dust Spirit" from your Deck. Spirit monsters cannot be Special Summoned, but in this game this is sometimes ignored.So it can be revived countless times and is practically invulnerable to opponents attacks. An opponent's " King of the Skull Servants" revives without banishing a monster as a cost.If a monster with higher ATK attacks " Injection Fairy Lily", "Injection Fairy Lily" is destroyed regardless of whether or not the effect is activated.Premature Burial), it still cannot attack for 2 turns. If a monster battles " Harpie Lady #3", even if it is sent to the Graveyard and summoned back to the field (i.e." Fairy King Truesdale" does not gain 500 ATK when put in Defense Position.When the effect of " Elemental HERO Flame Wingman" activates, sometimes you will be asked to chain to that effect even when you cannot even activate anything at that time.If you attack a face-down " Flip Effect" monster with " Drillroid", the monster will be flipped and immediately destroyed, without its flip effect activating.
(Unknown if this applies vice versa, with the AI attacking your "Des Kangaroo".) However, you will be able to activate the effect of your destroyed monster, as if it were destroyed by battle.