Custom Openning Anim
Download here
[GBA火纹修改] 自定义开场动画效果展示 (bilibili.com)
Purly display images without any sounds (just like a gif).
The data is organized in the same way as skillanim, so You can directly generate your own anim script via Skill Animation Creator, note to ensure that the graphics hold size=256*160 with palette=16.
But be aware that a large number of images will take up a lot of space, so be sure to pay attention to overflow at any time.