Tutorials/Defeating a Nether fortress – Minecraft Wiki

A nether fortress is a large structure found in the Nether, consisting of bridges, corridors, and towers. Nether fortresses are the only place where wither skeletons and blazes spawn, the latter of which's blaze rods being required to craft and fuel brewing stands and craft eyes of ender to access the End. It also features nether wart as loot, which is a key ingredient in brewing. Be careful, however, because these structures are huge and you can easily get lost or killed by powerful mobs. There

Tutorials/Defeating a Nether fortress – Minecraft Wiki

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