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Operation: Floodgate

Big M.O.M.M.A. Guide

Big M.O.M.M.A. in Operation: Floodgate, 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

  • Big M.O.M.M.A.
  • commands an army of drones that, when defeated, cause Big M.O.M.M.A.
  • Tanks: Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.
  • Healers: Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.
  • Damage dealers: Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.

Overview

Adventure Guide says

Big M.O.M.M.A. commands an army of drones that, when defeated, cause Big M.O.M.M.A. to Jumpstart, inflicting heavy damage to all players but causing Big M.O.M.M.A. to take increased damage. Afterwards, Big M.O.M.M.A. requisitions an additional squadron of drones with Mobilize Mechadrones.

  • Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.
  • Jumpstart causes Big M.O.M.M.A. to take significantly increased damage.
  • Sonic Boom continues until it collides with an obstacle.
  • Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.
  • Jumpstart inflicts significant damage to all players.
  • Sonic Boom continues until it collides with an obstacle.

Tank mechanics

Adventure Guide says

Healer mechanics

Adventure Guide says

  • Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.
  • Jumpstart inflicts significant damage to all players.
  • Sonic Boom continues until it collides with an obstacle.

DPS mechanics

Adventure Guide says

  • Big M.O.M.M.A. will Jumpstart after all Darkfuse Mechadrones are defeated.
  • Jumpstart causes Big M.O.M.M.A. to take significantly increased damage.
  • Sonic Boom continues until it collides with an obstacle.

Boss abilities

AbilityAdventure GuideNotes
Jumpstart
Excessive Electrification
Mobilize Mechadrones
Maximum Distortion
Shoot
Doom Storm
Electrocrush
Sonic Boom
Kill-o-Block Barrier
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Loot

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

Darkfuse MedichopperMechanized JunkpadsMomma's Mega MedallionHMNonconductive Kill-o-SocksOverpressure PlatelegsHMSkystreak's Hidden MissilesSonic Ka-BOOM!-erang

Mounts, toys, achievements, transmog

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

Achievements

Heroic: Operation: Floodgate · Mythic: Operation: Floodgate · Operation: Floodgate

Entrance and instance

Operation: Floodgate is a dungeon in the Adventure Guide. See the Operation: Floodgate database page for the raw journal, map, and loot grid. This guide does not invent coordinates or a walking path.

Demolition Duo
Swampface
Geezle Gigazap

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 Big M.O.M.M.A.?

Big M.O.M.M.A.

How many abilities does Big M.O.M.M.A. have?

The current datamine lists 9 named abilities on the Big M.O.M.M.A. encounter.

What does Big M.O.M.M.A. drop?

The Adventure Guide lists 7 drops. Each name links to its TheWoWDB item page. The full table also lives on the Operation: Floodgate database page.

Does Big M.O.M.M.A. 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.

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.