"Pressing the T key will allow you to perform a Vanguard Swap with the Lunastasia partner character.Possessing multiple copies of this item will unlock special effects. Having 2 or greater:Allows you to equip another weapon with a skill slot.Vanguard Swap lasts an additional 30 seconds.Affection level increased by 10. Having 3 or greater:Allows you to equip another weapon with a skill slot.Vanguard Swap lasts an additional 30 seconds.Affection level increased by 10. Having 4 or greater:Allows you to equip another weapon with a skill slot.Vanguard Swap lasts an additional 30 seconds.Affection level increased by 10. Having 5 or greater:Doubles Vanguard Swap gauge accumulationVanguard Swap lasts an additional 30 seconds.Affection level increased by 10. Having 6 or greater:Affection level incr