𝗘𝗫𝗣𝗟𝗔𝗜𝗡𝗔𝗧𝗜𝗢𝗡: When lava hits a sculk vein, it will not break and instead spread around.

𝗪𝗛𝗔𝗧 𝗪𝗔𝗦 𝗦𝗨𝗣𝗣𝗢𝗦𝗘𝗗 𝗧𝗢 𝗛𝗔𝗣𝗣𝗘𝗡:

The sculk vein would break on impacts from the lava

𝗛𝗢𝗪 𝗧𝗢 𝗥𝗘𝗖𝗥𝗘𝗔𝗧𝗘:

Simply place 1 sculk vein and place lava above it.

Also ignore the texture pack for the lava. This was all done in snapshot 22w12a