We are talking about Lost Soul Aside.

To understand the weight of this review, we have to go back to 2016. A lone developer named Bing Yang uploaded a trailer to YouTube. It featured a protagonist who looked like he had stepped out of Final Fantasy, moving with the speed of Devil May Cry, fighting monsters that felt like they belonged in a high-fantasy nightmare. The world stopped. We asked, 'How can one person make this?' It was too fast, too beautiful, too fluid to be real. It was a 'Lost Soul' in an industry of giants.