This ability forces the card to remain set to resting on one occasion when it would be switched to active, such as during the player's start phase or end phase, or when the card is affected by an ability that switches it to active.

No. You can only activate one of them.

It means the card cannot be chosen by abilities like "Choose one character with 5000 or less BP on your opponent's front line and sideline it" which include the instruction to "choose" a card.

Yes, you can.

It means the card cannot be chosen by abilities like "Choose one character with 5000 or less BP on your opponent's front line and sideline it" which include the instruction to "choose" a card.

It refers only to the "[Activate: Main] #If on the Front Line# Reduce the AP cost of the next event card you use from your hand this turn by 1" ability. It does not refer to other abilities on the same card.

No. You can only activate one of them.

No, it is not lost.

Choose one card on your energy line and place it into your removal area before moving the character.

Yes. If they are able, characters with the ability must attack before those without it. If you have several characters with that same ability, they can attack in any order.

This ability forces the card to remain set to resting on one occasion when it would be switched to active, such as during the player's start phase or end phase, or when the card is affected by an ability that switches it to active.

It refers to when your character attacks and battles one of your opponent's characters, and your character's BP is equal to or greater than the BP of your opponent's character.

It refers to the BP printed in the lower left corner on a character card.

If a battle occurs, it will activate after the battle ends. If damage is dealt to the player, it will activate after the trigger check ends.

Yes, you can, since this character's BP has become 4000.

After the opponent has chosen whether or not to block during the "blocking character designation step," at the same time as their [When Blocking] abilities would activate.

No. Add it to your hand without revealing it and do not perform a trigger check.

If the maximum number of cards that can be placed on the line changes and the number of placed cards exceeds that limit, place any one card from the line into your removal area then reconfirm the maximum number of cards that can be placed on the line. After reconfirming, if the number of placed cards still exceeds that limit, repeat the previously described management.

No. Add it to your hand without revealing it and do not perform a trigger check.

No. Add it to your hand without revealing it and do not perform a trigger check.

It refers to the BP printed in the lower left corner on a character card.

If the character with "This character must block your opponent's attacks if able" is able to block, they block with it.
If multiple characters with that ability are present, the player blocking chooses one from among them to block with.

When your opponent chooses this character with a ▼Special Trigger▼ ability, it is not sidelined, and they add the card with the ▼Special Trigger▼ ability to their hand instead of placing it into their sideline.