I made 22 fire, magic and explosion effects as PNG flipbook sheets: they load into AnimatedSprite2D / AtlasTexture in Godot 4 (tested on Godot 4.3, 4.4, 4.5 and 4.7), and there is an optional Unity setup script and a GameMaker import guide too. The free Lite has 6 of the effects so you can check the look in your own game first.
Free Lite: https://inkharbor.itch.io/ember-flipbooks-lite
Full pack: https://inkharbor.itch.io/ember-flipbooks
Feedback on missing effects is welcome.
Code and text were written with AI assistance.