Boss
Rocket Launcher
Sprocketmonger Lockenstock - Liberation of Undermine
Found In
Adventure Guide Entry
The in-game Adventure Guide text for the Sprocketmonger Lockenstock encounter in Liberation of Undermine.
As one of Gallywix's top minds, Sprocketmonger Lockenstock cannot say no to innovation, meaning that his list of inventions stretches far longer than the conveyor belts in his refinery. Constantly looking to simultaneously cut both corners and costs, Lockenstock's always searching for new markets to test out his gadgets.
Encounter Facts
Instance Entrance: Undermine
Liberation of Undermine entranceThe Liberation of Undermine entrance is in Undermine, at 42.1, 50.4 on the Undermine map.
Abilities & Strategy
What the in-game dungeon journal describes for this encounter. Every ability links to its spell page.
Abilities & Strategy
Overview
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.
Tanks
- Each application of Gravi-Gunk increases all damage taken.
- The damage of Pyro Party Pack is reduced the further the target is from other players.
- Foot-Blasters cause an Unstable Explosion that increases damage taken by Unstable Explosion for a short duration.
Damage Dealers
- Foot-Blasters cause an Unstable Explosion that increases damage taken by Unstable Explosion for a short duration.
- Players designated as Screw Ups periodically drop drills at their location.
- Wire Transfer inflicts significant damage to players standing within the effect
Healers
- Sonic Ba-Boom applies a damage over time effect to all players.
- Foot-Blasters cause an Unstable Explosion that increases damage taken by Unstable Explosion for a short duration.
- Voidsplosion inflicts significant damage to all players and absorbs healing taken.
Stage One: Assembly Required
Activate Inventions!
Goblin Inventions
Empowered Inventions
Polarization Generator
Foot-Blasters
In 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.
Wire Transfer
Screw Up
Sonic Ba-Boom
Blisterizer Mk. II
Pyro Party Pack
Gravi-Gunk
Stage Two: Research and Destruction
Ability Spells
Every ability the Adventure Guide lists for this encounter, with its spell's school, cast time and duration and the description the game gives it.
Activate Inventions!
Physical · 1 sec cast
Lockenstock halts the conveyors and electrifies them, inflicting Nature damage to players within the area every 0.2 sec. In addition, he activates all of his Inventions.
Blazing Beam
Fire · 3 sec cast · Lasts 4 sec
The Invention unleashes a line of fire for 4 sec, inflicting Fire damage every 0.2 sec to players within the effect.
Rocket Barrage
Physical · 3 sec cast · Lasts 4 sec
The Invention fires a massive rocket every 2 sec for 4 sec that inflicts Fire damage upon impact with a player.
Mega Magnetize
Physical · 3 sec cast · Lasts 5 sec
The Invention pulls players towards itself for 5 sec. Upon contact with the magnet, players become stunned for 6 sec.
Jumbo Void Beam
Shadow · 3 sec cast · Lasts 5 sec
The Invention unleashes a massive beam of void energy inflicting Shadow damage every 0.2 sec to players within the effect.
Void Barrage
Physical · 3 sec cast · Lasts 5 sec
The Invention launches a void projectile every 2.5 sec for 5 sec.
Voidsplash
Shadow · Instant
Void energy erupts from the impact, inflicting Shadow damage to all players.
Polarization Generator
Physical · Instant
Posi-Polarization
Physical · Instant · Lasts 1 min
Nega-Polarization
Physical · Instant · Lasts 1 min
Polarization Blast
Physical · Instant
Contact with a player of the opposite charge causes an explosive reaction, knocking both players away from each other and inflicting Nature damage every 1 sec for 6 sec.
Polarized Catastro-Blast
Fire · Instant · Lasts 2 sec
The mismatched polarities result in an especially deadly blast, inflicting Fire damage to all players and causing them to take 500% increased damage from Unstable Explosion and Polarized Catastro-Blast for 2 sec.
Unstable Explosion
Fire · Instant · Lasts 2 sec
When a Foot-Blaster is detonated, it explodes inflicting Fire damage to all players and causes them to take 200% increased damage from Unstable Explosion for 2 sec.
Unstable Shrapnel
Fire · Instant · Lasts 2 min
Touching the Foot-Blaster causes fragments to embed themselves in the target, inflicting Fire damage and increasing damage taken from Unstable Shrapnel by 1000% for 2 min.
Wire Transfer
Nature · Instant
Lockenstock overloads the capacitors around the factory causing a section of the floor to become electrified. Standing within these areas inflicts Nature damage to players every 1 sec and reduces their movement speed by 40%.
Screw Up
Physical · 2 sec cast
Lockenstock marks players, inflicting Nature damage and causing a deadly drill to emerge at their location every 1.5 sec for 4.5 sec.
Screwed!
Physical · Instant · Lasts 6 sec
Touching a drill punctures players, stunning them and causing them to bleed for Physical damage every 1 sec for up to 6 sec.
Sonic Ba-Boom
Physical · 2 sec cast · Lasts 10 sec
Lockenstock fires an enormous blast of gravitational energy, inflicting Sonic damage to all players and an additional Sonic damage every 0.5 sec for 10 sec.
3D Model
First-party render from the game files. Model © Blizzard Entertainment.
Drops
Loot the dungeon journal lists for this encounter in Liberation of Undermine.
What is shown is the loot the game's own dungeon journal lists for this encounter.
What Each Drop Is
The Sprocketmonger Lockenstock encounter lists 14 items in the dungeon journal, item level 623. Equip slots covered: Two-Hand, One-Hand, Hands, Trinket, Waist, Feet, Back and Wrist. 1 of them can be traded and 13 bind when picked up.
- Alphacoil Ba-Boom Stick Two-Hand (Staff), item level 623, requires level 80. Bind on Pickup. Stats: Intellect, Stamina, Mastery and Critical Strike. A vendor pays 174g 48s for it.
- Dreadful Greased Gallybux Miscellaneous, item level 623, requires level 80. Bind on Pickup. Usable by Death Knight, Warlock and Demon Hunter. Use: Greased Gallybux.
- GIGADEATH Chainblade One-Hand (Warglaive), item level 623, requires level 80. Bind on Pickup. Stats: Agility or Intellect, Stamina, Mastery, Critical Strike and Intellect. A vendor pays 137g 46s for it.
- Gravi-Gunk Handlers Hands (Mail), item level 623, requires level 80. Bind on Pickup. Stats: Agility or Intellect, Stamina, Mastery and Haste. A vendor pays 50g 82s for it.
- Mister Lock-N-Stalk Trinket, item level 623, requires level 80. Bind on Pickup. Stats: Haste. A vendor pays 89g 84s for it.
- Mister Pick-Me-Up Trinket, item level 623, requires level 80. Bind on Pickup. Stats: Intellect. A vendor pays 87g 61s for it.
- Mystic Greased Gallybux Miscellaneous, item level 623, requires level 80. Bind on Pickup. Usable by Hunter, Mage and Druid. Use: Greased Gallybux.
- Refiner's Conveyor Belt Waist (Cloth), item level 623, requires level 80. Bind on Pickup. Stats: Intellect, Stamina, Mastery and Haste. A vendor pays 49g 88s for it.
- Rushed Beta Launchers Feet (Leather), item level 623, requires level 80. Bind on Pickup. Stats: Agility or Intellect, Stamina, Critical Strike and Mastery. A vendor pays 75g 93s for it.
- Test Pilot's Go-Pack Back (Cloth), item level 623, requires level 70. Bind on Pickup. Stats: Agility or Strength or Intellect, Stamina, Mastery and Haste. A vendor pays 74g 84s for it.
- Test Subject's Clasps Wrist (Plate), item level 623, requires level 80. Bind on Pickup. Stats: Strength or Intellect, Stamina, Critical Strike and Mastery. Tooltip: “Don't take 'em off - might need to identify your body.” A vendor pays 50g 25s for it.
- Venerated Greased Gallybux Miscellaneous, item level 623, requires level 80. Bind on Pickup. Usable by Paladin, Priest and Shaman. Use: Greased Gallybux.
- Zenith Greased Gallybux Miscellaneous, item level 623, requires level 80. Bind on Pickup. Usable by Warrior, Rogue, Monk and Evoker. Use: Greased Gallybux.
- Pattern: Adrenal Surge Clasp Recipe, item level 1. Tooltip: “Teaches you how to craft Adrenal Surge Clasp.” A vendor pays 50g for it. Lowest listed price right now: 200g across 60 US realms. Use: Learning. Effect: Adrenal Surge Clasp.
Read from the current game build's item data. Listed prices come from our latest US Auction House scan; a drop that binds when picked up never has one.
Achievements for Defeating It
6 achievements list a victory over Rocket Launcher among their criteria.