Fallen Angel of Disconnection, Akrasiel

:Sentinel :[Choose a card from your hand, and put it into your soul] When this unit is placed on from hand, you may pay the cost. If you do, choose one of your units with the darkness ability, and it cannot be hit until end of that battle. (Drop zone)Darkness (Active if cards have been put into your soul during this turn):[ 1 & Choose one of your other "Fallen Angel of Disconnection, Akrasiel" from your drop zone or soul, and bind it face up] Return this card to your hand.