Select 1 "Amazoness" monster in your Graveyard and Special Summon it in Attack Position. It cannot change its battle position and must attack if able. When this card is removed from the field, destroy that monster. When that monster is destroyed, destroy this card.
Amazoness monsters revived with Amazoness Willpower are required to attack. So to make full use of this card, use it in combination with Amazoness Onslaught and remove from play any monster you attack. The best targets for Amazoness Willpower are Amazoness monsters that can fetch more monsters like Amazoness Princess or Amazoness Spy, or ones that can hurt your opponent like Amazoness Swordswoman and Amazoness Sage.