Nếu hiệu ứng thứ hai của Dystopia the Despondent được kích hoạt trong Bước Chiến đấu, nhưng Book of Moon là chain để Dystopia the Despondent được thay đổi thành Tư thế Phòng thủ úp, hiệu ứng của nó sẽ thực thi như thế nào?

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

DARK 12

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or Graveyard) by sending 4 face-up Level 1 monsters you control to the Graveyard, and cannot be Special Summoned by other ways. Other monsters you control cannot attack. During either player's Battle Step, once per battle involving this card: You can banish 1 Level 1 monster from your Graveyard; until the end of the Damage Step, this card is unaffected by other cards' effects, also it cannot be destroyed by battle.