They see the sunshine, this is really a journey that consumes a lot of time, making them very vigilant and always restless.
From the moment they got into the cracks of the dusty mountain until they got out of there, it took two-plus days; they came out just in such a tropical sun. Their eyes seemed to be under a lot of pressure because of the strong sunlight. Most of the knights fell to the ground. Because one of them is gratitude, the other is of course due to the reason of direct sunlight breaking through their retinas.
Vincent opened the small curtains inside his horse-drawn carriage, he looked at the state outside with a clear smile on his face.
[What I remembered before turned out to be really happening. Luckily we were all able to get out safely.]
If it had taken longer, Vincent would have felt worried about him. He could probably experience a lack of confidence for fear of his people suffering in the dusty mountain.