After the Star Realm Rift was fully opened, the spiritual energy around Cardman City began to dissipate rapidly, or it would be more apt to say it was crushed by the more violent spiritual energy of the Star Realm.
At this moment, the entire city was being dragged into the Star Realm from the material world.
This process may be slow, but it was advancing steadily. The collision of spiritual energy paired with the continuous bombardment of dimensional meteors caused the surrounding ground to experience earthquakes and landslides without any warning.
The old horse Murphy was riding on refused to go further upon nearing the edge of the city. Its animalistic perception made it more afraid of the drastically-changing city than the whip in Murphy's hand.
In this situation, Murphy decisively chose to dismount and walk.
