Dreams often lack the concept of time, fast or slow, it's related to each person's mind.
Even ordinary people, when woken by the alarm in the morning, if they continue to sleep for another five minutes. In reality, those five minutes are very short, but they might experience a dream lasting several hours.
For someone like Ruben, who almost crushes the entire cosmic domain on a mental level and is proficient in dreams, he can achieve "Instant Dream".
No time passes in reality, yet an important informational dream has been completed within the mind.
The same is true now,
Perhaps instinctively sensing danger, stimulating Ruben's mind to perform a 'premonitive instant dream', quickly foreseeing his own future, and thus dreaming of beheading.
Cold sweat dripped profusely,
Ruben felt a sense of threat on a soul level,
