Lava Bucket
minecraft:lava_bucketThe lava bucket is the only way to carry lava as a portable item, obtained by using an empty bucket on a lava source block. It serves as the most efficient furnace fuel and can also be placed to destroy Nether portals or fill cauldrons.
FAQ
How do you get a lava bucket?
Use an empty bucket on a lava source block, which consumes the source and fills the bucket.
How good is a lava bucket as fuel?
It burns for 1000 seconds and can smelt 100 items, making it the most efficient furnace fuel in the game.
Can a lava bucket destroy a Nether portal?
Yes, in Java Edition placing lava adjacent to portal blocks breaks the portal.
Is the lava bucket renewable?
Yes, it is fully renewable in Survival mode using pointed dripstone to fill an empty bucket with lava.