Complex sentence: Arriving in Scotland and sneaking past Shoreline soldiers, Nate and Sam find a secret passage under one of the tombs and within it, a room with a scale: on one side is another cross and on another is a group of copper coins.
Split into simpler sentences: Arriving in Scotland and sneaking past Shoreline goons, Nate and Sam find a secret passage under one of the tombs. After making it through a test, they find a room with a scale: on one side is another cross and on another is a group of copper coins.