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Liberation of Undermine

Sprocketmonger Lockenstock Guide

Sprocketmonger Lockenstock in Liberation of Undermine, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.

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30-second TL;DR

Adventure Guide says

  • Sprocketmonger Lockenstock prepares a demonstration for the players while slowly gaining energy.
  • Conveyor belts around the factory produce explosive new technology for Lockenstock to Activate Inventions!
  • Stages named in the Adventure Guide: Stage One: Assembly Required, Goblin Inventions, Empowered Inventions, Stage Two: Research and Destruction.
  • Tanks: Each application of Gravi-Gunk increases all damage taken.
  • Healers: Sonic Ba-Boom applies a damage over time effect to all players.
  • Damage dealers: Foot-Blasters cause an Unstable Explosion that increases damage taken by Unstable Explosion for a short duration.

Overview

Adventure Guide says

Sprocketmonger Lockenstock prepares a demonstration for the players while slowly gaining energy. Conveyor belts around the factory produce explosive new technology for Lockenstock to Activate Inventions!. Upon reaching 100 energy, Lockenstock prepares a Beta Launch of an improved contraption, infusing it with void powers before renewing his assault.

Encounter phases

Adventure Guide says

  1. Stage One: Assembly Required
  2. Goblin Inventions
  3. Empowered Inventions
  4. Stage Two: Research and Destruction

Tank mechanics

Adventure Guide says

Healer mechanics

Adventure Guide says

DPS mechanics

Adventure Guide says

Boss abilities

AbilityAdventure GuideNotes
Stage One: Assembly Required
Activate Inventions!
Polarization Generator
Posi-Polarization
Nega-Polarization
Polarization Blast
Foot-BlastersIn Mythic difficulty, Foot-Blasters spawn with Posi-Polarization or Nega-Polarization. Contact with an opposite polarity or Goblin Inventions will trigger a Polarized Catastro-Blast.
Polarized Catastro-Blast
Unstable Explosion
Wire Transfer
Screw Up
Screwed!
Sonic Ba-Boom
Blisterizer Mk. II
Pyro Party Pack
Gravi-Gunk
Beta Launch
Bleeding Edge
Voidsplosion
Black Bloodsplatter
Upgraded Bloodtech
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Loot

Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.

Mounts, toys, achievements, transmog

Only rows the journal loot table or an achievement title can prove for this encounter.

Mounts

Prototype A.S.M.R. · The Big G

Toys

Explosive Hearthstone

Achievements

Heroic: Liberation of Undermine · Liberation of Undermine · Mythic: Cauldron of Carnage · Mythic: Chrome King Gallywix · Mythic: Liberation of Undermine · Mythic: Mug'Zee, Heads of Security · Mythic: Rik Reverb · Mythic: Sprocketmonger Lockenstock · Mythic: Stix Bunkjunker · Mythic: The One-Armed Bandit · Mythic: Vexie and the Geargrinders

Entrance and instance

Liberation of Undermine is a raid in the Adventure Guide. See the Liberation of Undermine database page for the raw journal, map, and loot grid. This guide does not invent coordinates or a walking path.

Player strategy

This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal.

Questions

What does the Adventure Guide say about Sprocketmonger Lockenstock?

Sprocketmonger Lockenstock prepares a demonstration for the players while slowly gaining energy.

How many abilities does Sprocketmonger Lockenstock have?

The current datamine lists 20 named abilities on the Sprocketmonger Lockenstock encounter.

What does Sprocketmonger Lockenstock drop?

The Adventure Guide lists 14 drops. Each name links to its TheWoWDB item page. The full table also lives on the Liberation of Undermine database page.

Does Sprocketmonger Lockenstock change on Heroic or Mythic?

The current Adventure Guide text for this encounter does not include separate Heroic or Mythic sentences we can quote. If a later client build adds them, they appear here automatically.

Does Sprocketmonger Lockenstock drop a mount?

The journal loot table includes Prototype A.S.M.R., The Big G. Each links to its TheWoWDB mount page.

Where does this guide's text come from?

Quoted Adventure Guide sections come from TheWoWDB's retail datamine (client build 12.1.0.69587, ingested 2026-09-01). Player strategy such as positioning, assignments, and cooldown timings is omitted unless that sentence is already in the journal.

Source and build

This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal. Quoted sections come from TheWoWDB Adventure Guide datamine (client build 12.1.0.69587, ingested 2026-09-01). Ability names link to first-party spell pages. When a newer retail build is ingested, this page updates with it.