How do I get diamonds in the nether and how do I get wither skulls and blaze rods?

Yes, but bring the materials to build another Nether portal or else you cannot get back.

1) Dig a tunnel around it. 2) Use a bucket to scoop it up, and use it later. 3) Place a block in the same space as the lava and...

The only thing that can cause the kite to collapse is the side rod not being sufficiently connected to the lower rod. Also, the upper rod's airspeed velocity is less...

A diamond sword with Sharpness or Smite V, as well as a bow with Power V, and Punch II do the most damage.

The best place to spawn is underground, so that it can't fly into the air.

If you have a world that is set on infinity, it should mean that the overworld and the nether is endless, even though one step in the nether is eight...

It's currently getting one. It adds these: Piglins, Zombified Piglins (re-textured Zombie pigmen), bartering (a form of trading with piglins), soul sand valleys (a new biome made from soul sand,...

No. The wither is immune to fire but the arrows will deal damage to it.

Nether wart can be found growing in nether fortresses and bastion remnants. They can also be found in chests in nether fortresses.

If you dig near lava, you are more likely to find ores. Additionally, abandoned mines sometimes have chests with free loot!