2 problems:
Fire blocks can be "broken" by hand in Nether as well as overworld. They do not drop anything
Fire does not spread in either the Nether or overworld
Comments 2
Thank you for your report!
However, this issue is Invalid.
Please put only one bug report in each ticket. It is very difficult to keep track of bugs when they are not in their own tickets, and it is easier for you to make multiple tickets than for the mods to separate them.
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putting out fire with your hand has been in the game for ages