How I see it the dragon is detached from time and death, so his memories would be as well He doesn't realise it obviously because he's still a baby, but the orb connects the two together. So whilst they are illusions, Taehyuk is able to send out his consciousness to those timeless moments
We could also just be having an unreliable narrator, like we got shown the dragon memories, so it makes sense that those memories would be influenced by the orb and so even though those moments didn't actually happen, his memories think so
How I see it the dragon is detached from time and death, so his memories would be as well
He doesn't realise it obviously because he's still a baby, but the orb connects the two together. So whilst they are illusions, Taehyuk is able to send out his consciousness to those timeless moments
We could also just be having an unreliable narrator, like we got shown the dragon memories, so it makes sense that those memories would be influenced by the orb and so even though those moments didn't actually happen, his memories think so