As soon as the people that surrounded the valley started entering it and moved towards the Saber Monarch, he got ready with the Saber.
Sam watched the whole fiasco from far away with a telescope. Immediately after the opponents entered the valley, Sam activated the dome of the maze from afar.
Once he got a hold of the formation and its core, it is easy for him to do all this, and he even used the Specter as the temporary formation spirit who uses the formation inscriptions he laid down. Now all he has to do is use their mental connection and give the message and the specter will execute it.
The dome of the maze appeared and thus started the panic among all the people.
They were lured into the trap this easily and everyone turned back as they started smashing the dome with their weapons.
