Lava And Water Swap! -

: Normally, water cools lava into obsidian. In a swapped world, you could make lava "evaporate" water or turn it into a new hazardous block like Pumice or Superheated Glass .

: Use a resource pack to swap only the visuals. Players might jump into what looks like a refreshing pool of water only to realize it's actually lava—or tentatively touch a "lava fall" to find it's safe water. Puzzle & Interaction Mechanics Lava and water swap!

: Reverse the physical behavior of the fluids: : Normally, water cools lava into obsidian

could flow slowly (4 blocks), cause "drowning" damage immediately upon touch (mimicking burning), and set nearby wooden structures on fire. Lava and water swap!