Anonymous #1 44w

Netherreactor core, no longer a thing sadly

4

Anonymous #1 44w

Back in the day, instead of going to the nether, you had to bring the nether to you. Building the reactor in the first picture would summon the second structure around you, also dropping all sorts of nether-related items and summoning zombie pigmen

5

Anonymous #2 44w

Specifically for pocket edition, since other versions had the nether

3

Anonymous #2 44w

I’d always use it to build a mansion

1