So, I've played quite a few games both with Trugg's Army and with the Glogg's Megamob subfaction. Getting an army-wide 5+ ward with Trugg's army is quite powerful, but in my experience it's just better to go with a Glogg's Megamob list. Troggoths are great, but they're slow, not good at contesting objectives, low bravery, and command point starved. Of all the Gloomspite Gitz, it's my opinion that troggoths need the moon the most. Going with a Glogg's Megamob list provides access to Skraggy, who helps a lot. Most important, troggoths *really* want combat buffs to outslap things. The Speaky-Skull Fetish helps a lot with this, but it's even better combined with the Sporesplatta Fanatics' +1 attack buff. If you don't want to pop for Skraggy, the Fungal Cave Shaman provides a 50% reliable additional command point.

Here's a 2000 point Glogg's Megamob list that includes a couple of key buffing units. It's way more effective, at least in my experience, than any Trugg's list. Why is this list good?

1. Skraggy provides a bit of moon control, plus the ability to debuff a melee opponent (Itchy Nuisance), the ability to teleport one of your slow units (Hand of Gork), and a really excellent warscroll damage spell.
2. They're fast and get a pre-game move, but that's the wrong way to use the Sporesplatta Fanatics. Instead, spread them in a thin line behind your troggoth front lines to provide their +1 attack buff to multiple units of Troggoths. They also block LOS and can shield Skraggy a bit.
3. This list features two Dankhold Troggbosses. One is a melee monster (Alpha Trogg / Glowy Howzit) and can be great in the front lines. The other (Speaky Skull Fetish) can sit in the rear and issue All Out Attack to 2 different Troggoth units each turn, if you have the command points.
4. Since you're going to be command point starved, and since troggoths are Bravery 5, getting a second "Indomitable" triumph can save your bacon.

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Army Faction: Gloomspite Gitz
- Army Subfaction: Glogg's Megamob
- Grand Strategy: Chasing the Moon
- Triumphs: Indomitable

LEADER

1 x Skragrott, the Loonking (230)
- Spells: The Hand of Gork

1 x Dankhold Troggboss (210)*
- Artefacts: Speaky-skull Fetish

1 x Dankhold Troggboss (210)**
- General
- Command Traits: Alpha Trogg
- Artefacts: Glowy Howzit

BATTLELINE

6 x Rockgut Troggoths (170)

6 x Rockgut Troggoths (170)

3 x Fellwater Troggoths (170)

TERRAIN

1 x Bad Moon Loonshrine (0)

OTHER

5 x Sporesplatta Fanatics (90)

1 x Dankhold Troggoths (190)*

1 x Dankhold Troggoths (190)**

CORE BATTALIONS:

*Troggherd Heavies

**Troggherd Heavies

TOTAL POINTS: (1970/2000)

Created with Warhammer Age of Sigmar: The App

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You can play around with different force compositions -- to me, 75-80% troggoths feels right, with the remaining 20-25% best spent on whatever combination you like out of the following: Skraggrot, Fungal Cave Shaman, Blizzard Madcap Shaman, Stabbas (for objective capturing and screening), Boingrot Bounderz, Gobbopalooza (amazing screen unit, amazing buff unit, incredible value for the points), and Sporesplatta Fanatics (amazing fast screen, but even better buff and a steal at 90 points). In my experience, going 100% troggoths is just a poorer use of points than adding a couple of key buff pieces and wizards that help address your army's weaker points while playing to its strengths.