Archive Entry

OW and Nether Wither Mob Switch

MSmob-switchesMS005Archived Jul 23, 2025

✅Tested & Functional

Authors:AlvaroRC

Endorsed by:Scorpio

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Credits

• Vktec: Previous design

• A mob switch that uses withers to prevent hostile mobs from spawning.

Versions

• 1.17+

Video links

• Showcase

Files

• Schematics:
• Nether roof version: https://cdn.discordapp.com/attachments/995723671018680340/1397409188334014554/Wither_Mob_Switch_-_Nether_Roof.litematic?ex=68819e39&is=68804cb9&hm=79f89994c7c1226fc75529876aaa5539b7318790dfd641e59cd468a07c935f66&
• Overworld version: https://cdn.discordapp.com/attachments/995723671018680340/1397409210450313246/Wither_Mob_Switch_-_Overworld.litematic?ex=68819e3e&is=68804cbe&hm=bf6b49f021f022f57ea07a85328a83759d7fc134c02ac1bd05ac8d0a2563063d

Positives

• Can be loaded by a player, unlike lazy mob switches.
• Spawns one wither every 24gt (1,2 seconds).
• Nether roof version can be built anywhere.

Negatives

• Player takes damage while summoning the withers, requiring armor and beacons.
• Overworld version needs a specific 3x3 bedrock formation to be built (explanation in showcase video).
• Requires some bedrock breaking.

Design specifications

• Uses bedrock to contain the withers, and vines to prevent entity cramming.

Instructions

• Wear protection armor and have Resistance II and Regeneration beacons ready.
• Hold more than 3 soul sand in your main hand.
• For the Nether roof version, stand as shown in Figure 1. For the Overworld version, stand as shown in Figure 2.
• Hold right click (Watch the showcase video for demo).