An opportunity was something to give or receive. Often, it wasn't given as a gift, but as a reward after a devastating storm that leaves you with nothing but suffering—a hand that saves you and pulls you out of that dark and disturbing hole. And even then, it was difficult to see or have, but not impossible.
The man, "L," looked impatiently out the window, perhaps waiting for something. His inevitable loneliness was overwhelming for his mind, almost fragmented by the years he spent in this place. It was a long time ago that he did things he still regretted. Guilt consumed every part of his body like a virus. L couldn't bear the idea of loneliness any longer, so he went for a walk. Everything was different now, even though only about five years had passed since his attempt—and failure—to "improve" the world. Now everything moved on without him; they were leaving him behind. Well, it was obvious in his own eyes that he himself had tried to avoid it. He He was growing old, and the world moved on with its cycle of growing, living, growing, and dying. It wasn't perfect... but now it was happening. Although not so old, the toll of stress and pain had added more gray hairs to his head than problems solved in his miserable life. He gazed out the window at children playing... living their lives. It was simply an adorable sight, a bittersweet reminder of what his childhood had once been like, long before his ideals were corrupted and took a disgusting turn.
After activating that weapon and being subsequently saved by Zygarde, something changed in him. He received the gift of longevity... but cursed it with this life full of regret and guilt. But for now, he could atone for his mistakes by trying to make a perfect and better world for everyone, but this time without killing anyone who didn't deserve this "perfect world." This time he would deliver the message that we can all make a better future together, but even so, something felt empty... as if something didn't make sense, even when trying to He filled his mind with something as simple as a walk before embarking on his journey of discovery, even if it simply began at Hotel Z. His eyes wandered wearily and dullly, taking in every place. He didn't even notice when he bumped into a guy who quickly apologized to him...
"Don't worry, I'm fine. I'm still strong, I'm not that old."
He let out a bitter laugh. Looking more closely, he noticed that glimmer in the boy's eyes, that glimmer that had once been in his own eyes when he was young... a glimmer he regretted losing because of his ideals and which he had tried to destroy in others for those same reasons... but now he felt the need to guide him down the right path that he himself had failed to take. He stared a little too long into his eyes, as if trying to see beyond them.