Supernatural powers of being Charmed(Supernatural Charmed crossover)

True Power

In the last part Castiel revealed that he was alive to the gang.
The witches senses a powerful more powerful than anything they ever faced they told Cas to teleport them to the bunker really quick.Now that they at the bunker Castiel ask if they felt that and they said yes Cas says that it was Death the angels must have awakend him for a very big job.Castiel listens on the radio and learns from the angels that they have found Deaths ring and then Castiel realised that the angels are trying to open Lucifer cage so they can free Micheal then he remembers that the angels already have the other three rings they are at heaven and opens the cage.Cas gets scared and quickly tell Sam and Dean to put angel warding sigils and told the witches to put a protection spell.Dean explaines to the witches that the first angel Micheal has left the cage the witches says that hes a myth but Cas came up to them and showed them what happened through memory view.As Cas is showing them this out of the blue they hear Micheal roar after being free and shows his mastery of his power by erasing hell from existence Everyone get scared because they can feel the outcome of it.After showing his power he brang it back to existence and took back control of the angels with anger as his fuel.Cas is scared and the gang watches him be horrified as they see that the threat must be really powerful to bring down the newly revived Cas showing that the next threat would require for them to really train for the confrontation showing that a new war is beginning and that they would be facing the ultimate forces the billions of angels vs Cas,Sam,Dean,and the witches.As they make plans Sam,Dean,and the witches except Paige fall asleep because(to be continued)