cool visual ^^
looks like you want to use billboard to make the 2.5D?
you can use shader to make it always looks camera instead of updating it a bit later
I've tried making the effects in Unity
several links that I used for reference
https://www.gamedeveloper.com/programming/adding-some-perspective-to-your-unity-2d-game-
https://discussions.unity.com/t/how-do-games-like-octopath-traveler-handle-the-a...
https://discussions.unity.com/t/problem-solving-2d-billboard-sprites-clipping-in...
the visual and the audio itself is quite good ^^