Prompto was rather odd. In an endearing way of course. He talked a little strangely, like he read encyclopedias in his free time. And maybe he did as, like Noctis, it didn't seem like Prompto had any friends until they started hanging out with one another.
The blonde was also sick a lot. Sometimes disappearing for weeks at a time. Noctis and he texted often during such occasions as Prompto preferred not to have company when he was feeling so unwell. Surprisingly, the young man still excelled in school despite his many absences.
Noctis didn't question any of it. It was just Prompto. Gradually, with Noctis's help, he learned to act like a normal teenager. They enjoyed going to the arcade, eating junk food and doing things every other person their age did.
The Prince was grateful for Prompto. Barring Gladio and Ignis, who he met because he was the heir of Lucis, Prompto was the first friend he'd made on his own.
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Prompto got sick again, this time for almost a month, right before the treaty signing between Lucis and Niflheim was to happen. It had been a little sudden but Noctis was hoping Prompto would be able to travel with them to Altissia when his wedding to Lunafreya had been announced.
Thankfully, the blonde recovered at the last moment. He'd been so excited to leave with them.
**********
At Galdin, the four of them encountered a weirdly dressed man. Prompto was unusually quiet throughout the confrontation.
As the stranger walked away, Noctis found himself startled. For just a moment, a blink of an eye, the self proclaimed 'man of no consequence' disappeared. The Prince blinked again and the man was back. Noctis surmised his eyes were just playing tricks on him.
**********
Prompto once again became very sick in Lestallum. They'd been about to take the offer of aid from the stranger they'd first met in Galdin. They now knew his name was Ardyn but not much else. They didn't trust him but there was no other option if they wanted to get to the Archaean.
Noctis and his friends had been worried about Prompto's constitution throughout their journey. He had been alright so far, up until Lestallum. They had no choice but to return to the hotel and leave the very apologetic blonde behind.
Afterwards, they met up with Ardyn at the parking lot.
Noctis felt a strange sense of familiarity towards the man as they stopped and rested at a camper later that evening. The way he spoke, the way he moved just seemed... Familiar. The Prince shrugged it off when he couldn't figure out just why he felt that way.
After the whole fiasco with the Archaean and their vehicle, they'd been able to meet up with a recovered Prompto in Lestallum once more.
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Noctis's eyes played tricks on him again when they encountered Ardyn on their search for Mythril. For a second time, the man disappeared. But he returned the next moment.
The young man just rubbed his eyes and continued on. He needed to sleep, maybe.
**********
Prompto disappeared in the mayhem that was Altissia and Luna's awakening of Leviathan. They'd found him afterwards, more than a day later. He'd said he'd been buried under some rubble and just managed to free himself.
Despite the despair and sorrow he was feeling at Luna's death, Noctis was grateful his friend was alive.
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