[CONT]: Sentinel [AUTO]: [Choose a card from your hand, and discard it] When this unit is placed on (GC) from hand, you may pay the cost. If you do, choose up to one of your vanguards that is being attacked, and that unit cannot be hit until end of that battle. [AUTO](RC) Generation Break 1 Dark Device (Active when your opponent has no [Stand] units in the same column as this unit) : [Soul Blast (1)] When your unit's attack hits a vanguard, you may pay the cost. If you do, return this unit to your hand.