The exact mod is only available for patreon. (video description)
What exactly are you searching for? A mod like lucky blocks but with fire instead?
I've used a datapack just like that where fire drops loot once extinguished.
You can find it from my video here what it does. I just found it randomly one day:
Download for it is here: https://www.planetminecraft.com/data-pack/minecraft-but-fire-drops-op-loot/
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