Mob Grinding Utils in FTB Skies 2: Aero
FTB Skies 2: Aero 1.13.0 ships version 1.1.10+mc1.21.1 · First seen in 1.0.3
Mob Grinding Utils is a mod in FTB Skies 2: Aero 1.13.0, where it is version 1.1.10+mc1.21.1. A Mod that adds fun ways to make mob farms (Summary from the mod's Modrinth page.)
Mob Grinding Utils guide for FTB Skies 2: Aero
Last verified for FTB Skies 2: Aero v1.10.0 on Oct 17, 2026 · text last changed Oct 16, 2026
This is the newest guide. It hasn't been checked against 1.13.0 yet.
Also applies to:FTB Skies 2 1.0.1 to 1.24.0
- Sections
- 7
- Recipes shown
- 16
- Items named
- 26
- Quests covered
- 3
6 sections are written for this pack; 1 is shared from another pack's guide.
Every recipe and number here was checked against FTB Skies 2: Aero 1.10.0, read from the running game on Sep 22, 2026.
What is Mob Grinding Utils?
1 part
Mob Grinding Utils is the pack's go-to mod for building an automated mob farm. The pack ships version 1.1.10+mc1.21.1 of it, and it has been in the pack since 1.0.3 or earlier.[1]
The quest book describes it as a mod with a ton of items for setting up the perfect mob farm. The star of the show is the Mob Masher, which grinds up anything it touches. You can upgrade it with Looting Upgrades so mob kills drop even more loot. The quest also suggests pairing it with an Apotheosis spawner.[2]
Where it sits in the quest book
The mod's quest is "Mob Grinding" quest. It lives in the "Generating Resources" chapter, which is chapter 8 of 31 in the book, inside the "Resources & Logistics" group. The quest asks you to obtain three items:[2]
- Mob Masher (the Mob Masher)[2]
- Mob Fan (the Mob Fan)[2]
- Entity Conveyor (the Entity Conveyor)[2]
In the part of the chapter I can see, the quest has no prerequisite listed. The chapter opens with its intro quest "Resource Generation" quest, which says the chapter covers the mods that help you farm millions of items.[2]
The closest neighbour in theme is "Spawner Farms" quest, also in this chapter. It covers relocating and upgrading mob spawners to make your own mob farms, which is exactly the spawner side of the setup the Mob Grinding quest mentions. Most of the chapter's 99 quests aren't covered here, so check the quest book itself for the full text and the rest of the layout.[2]
How do you get started with Mob Grinding Utils?
3 parts
The pack's quest book covers this mod in "Mob Grinding" quest, in the "Generating Resources" chapter (group "Resources & Logistics", chapter 8 of 31). That quest asks for three things: the Mob Masher, the Mob Fan and the Entity Conveyor. They are the best first builds, so here they are in order.[2]
First: Iron Spikes, then the Mob Masher
The Mob Masher is the heart of the farm. The quest says it grinds up anything it touches and can be upgraded with Looting Upgrades to drop even more loot. Its recipe uses Iron Spikes, so make those first. The pack changed both recipes, so check the ones below rather than a mod default you remember.[2][3]
Crafting Shaped
| Empty slot | Empty slot | |
Recipe id: mob_grinding_utils:recipe_spikes
Crafting Shaped
Recipe id: mob_grinding_utils:recipe_saw
The two kill very differently. Mobs killed by the Masher do count as player kills, while mobs killed by Iron Spikes do not (the spikes do still drop the mob's XP).[4]
Next: move the mobs with the Entity Conveyor and Mob Fan
The Entity Conveyor moves mobs and items along a horizontal vector, and mobs can spawn on it. One craft gives you 6 conveyors, and the pack changed this recipe.[3][4]
Crafting Shaped
| Empty slot | any slime ball | Empty slot |
| any slime ball |
Recipe id: mob_grinding_utils:recipe_entity_conveyor
The Mob Fan pushes mobs in the direction it faces and can be modified with Mob Fan Upgrades. The pack changed its recipe too.[3][4]
Crafting Shaped
Recipe id: mob_grinding_utils:recipe_fan
When you want the fan to reach further, the pack also changed the recipes for Mob Fan Height Upgrade, Mob Fan Distance Upgrade and Mob Fan Width Upgrade. The server config option fanStrongerBlades is set to false in this pack. If it were true, the fan would only be blocked by more solid blocks.[3][5]
Then: collect the drops and see what you are doing
The Absorption Hopper vacuums up items and XP orbs in a 7x7x7 area, which is handy at the end of a grinder.[4]
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | any obsidian | Empty slot |
| any obsidian | any obsidian |
Recipe id: mob_grinding_utils:recipe_absorption_hopper
Tinted Glass lets you see inside the mob farm without letting light in. The pack changed its recipe as well.[3][4]
Crafting Shaped
| any coal | any glass blocks | any coal |
| any glass blocks | any glass blocks | |
| any coal | any glass blocks | any coal |
Recipe id: mob_grinding_utils:recipe_tintedglass
The quest also suggests pairing the Masher with an Apotheosis spawner. The chapter has more quests than the ones shown here, so open the quest book for the rest of the farm-building steps.[2]
How does Mob Grinding Utils work?
6 parts
Mob Grinding Utils is built around a simple loop: move mobs to a kill zone, collect the loot and XP, then turn the XP into something useful. Here is how each piece works in this pack, using the mod's own descriptions plus the pack's config and recipes.[3][4][5]
Getting mobs where you want them
The Entity Conveyor moves mobs and items along a horizontal vector, and mobs can spawn on it. The Mob Fan pushes mobs in the direction it faces, and you can toggle its area of effect in its GUI. The pack changed the crafting recipe for both of them.[3][4]
Crafting Shaped
| Empty slot | any slime ball | Empty slot |
| any slime ball |
Recipe id: mob_grinding_utils:recipe_entity_conveyor
Pack-changed recipe, makes 6 conveyors.
Crafting Shaped
Recipe id: mob_grinding_utils:recipe_fan
Pack-changed recipe.
Fan upgrades each add +1 to one stat. Height and Width are capped at 3, and Distance is capped at 10. The Mob Fan Height Upgrade has a pack-changed recipe.[3][4]
Crafting Shaped
| any feather | ||
| Empty slot | any feather | Empty slot |
| any feather |
Recipe id: mob_grinding_utils:recipe_fan_upgrade_height
Pack-changed recipe.
The fanStrongerBlades option is set to false in this pack. The config describes it as making the fan blades stronger, so that the fan is only blocked by more solid blocks.[5]
Killing mobs: Masher or spikes
The Mob Masher is the mod's advanced modular mob grinder. Mobs it kills do count as player kills. You enhance it with Mob Masher upgrades: Sharpness, Smite, Bane of Arthropods, Fire Aspect, Looting and Beheading. Each upgrade adds +1 of its effect.[4]
This pack lowers the masher upgrade limit. The masherMaxUpgrade option is 6 here, where the mod default is 10 (the allowed range is 0 to 10).[5]
Crafting Shaped
Recipe id: mob_grinding_utils:recipe_saw
Pack-changed recipe.
Iron Spikes are the basic option. They also drop the mob's XP, but mobs killed by spikes do not count as player kills.[4]
Collecting drops and XP
The Absorption Hopper vacuums up items and XP orbs in a 7x7x7 area. You can set it to push out on any side. Fluids go into tanks and items go into inventories. Its area of effect can be toggled in its GUI, and the position can be offset in the three directions the GUI shows (W/E, N/S and D/U).[4]
The Absorption Radius Upgrade gives +1 radius per upgrade, up to a max of 6. Its recipe is pack-changed, while the hopper's own recipe is the mod's.[3][4]
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | any obsidian | Empty slot |
| any obsidian | any obsidian |
Recipe id: mob_grinding_utils:recipe_absorption_hopper
Mod recipe, unchanged by the pack.
Crafting Shaped
| Empty slot | any ender pearl | Empty slot |
| any ender pearl | any ender pearl | |
| any obsidian | any obsidian |
Recipe id: mob_grinding_utils:recipe_absorbtion_upgrade
Pack-changed recipe.
Handling XP
The Jumbo Tank is a larger version of the Singularity Tank and holds 1024 buckets worth of any liquid. The Jumbo Tank recipe is pack-changed. The XP Tap attaches to the side of a tank and turns fluid XP back into orbs.[3][4]
Crafting Shaped
| Empty slot | ||
Recipe id: mob_grinding_utils:recipe_jumbotank
Pack-changed recipe.
The XP Drain Singularity Tank is crafted from a Singularity Tank.[3]
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | Empty slot |
Recipe id: mob_grinding_utils:recipe_tank_sink
Mod recipe, unchanged by the pack.
The XP Solidifier turns fluid XP into edible XP jellies. It needs an XP mould and fluid XP in its tank, and it can be set to export horizontally. XP Speed Upgrades make it faster.[4]
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | Empty slot |
Recipe id: mob_grinding_utils:recipe_solidifier
Mod recipe, unchanged by the pack.
The mould is made in two steps. First you craft an XP Mould Blank (the pack changed that recipe), then you turn the blank into an XP Mould Jelly Baby. The solidifier then makes an XP Jelly Baby from the mould. There are also reset recipes that turn the jelly baby mould back into a blank and return a solidifier to its reset state.[3]
Crafting Shaped
8 × Gold Nugget
Recipe id: mob_grinding_utils:recipe_mould_blank
Pack-changed recipe.
Crafting Shapeless
Recipe id: mob_grinding_utils:recipe_mould_baby_upgrade
Mod recipe, unchanged by the pack.
Solidify (mob_grinding_utils)
Recipe id: mob_grinding_utils:solidify/jelly_baby
Solidifier recipe.
Spawning and controlling mobs
The Entity Spawner spawns mobs in a 3x3x1 area. It uses a mob egg in the top slot and is fuelled by solid XP jelly babies. You can enhance it with XP Speed Upgrades and the Entity Spawner Height Upgrade and Entity Spawner Width Upgrade. As with the hopper, its area of effect can be toggled and its position offset in the GUI.[4]
Delightful Dirt spawns more creature mobs. They stop spawning below light level 10, and it does not work in ocean biomes. Dreadful Dirt spawns more hostile mobs, and light level 5 and above stops those spawns. It ignites in daylight if exposed to the sky.[4]
Farm safety
- Ender Inhibitor Active stops teleportation for entities up to 8 blocks away. It can attach to any side of a solid block, and right click toggles it on and off.[4]
- Tinted Glass lets you see into the farm without letting light in. It is tough enough to withstand Withers.[4]
- Ender Dragon Death Muffler stops Ender Dragon death sounds within a 32 block radius, and right click hides the boss bar. The Wither version covers 8 blocks.[4]
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | any glowstone dust | Empty slot |
Recipe id: mob_grinding_utils:recipe_ender_inhibitor
Pack-changed recipe.
Crafting Shaped
| any coal | any glass blocks | any coal |
| any glass blocks | any glass blocks | |
| any coal | any glass blocks | any coal |
Recipe id: mob_grinding_utils:recipe_tintedglass
Pack-changed recipe, makes 4.
How do you progress through Mob Grinding Utils?
4 parts
Mob Grinding Utils has no formal tiers in this pack. Nothing in the quest book or the recipes sorts its items into numbered levels, so the path below follows the quest and the links between the in-pack recipes.[2][3]
What the quest book covers
The pack has one quest for this mod: "Mob Grinding" quest, in the Generating Resources chapter (group Resources & Logistics, chapter 8 of 31). It asks for the Mob Masher, the Mob Fan and the Entity Conveyor. The book lists no quest before it.[2]
The quest text says the Mob Masher can be upgraded with Looting Upgrades for more loot, and suggests pairing it with an Apotheosis spawner. The same chapter has "Spawner Farms" quest for moving and upgrading spawners.[2]
Stage 1: the core farm
The three quest items are your starting kit. The pack has changed all three recipes, so don't rely on defaults you remember from other packs. The conveyor recipe makes 6 conveyors per craft. The Iron Spikes recipe is also pack-changed, and it feeds into the Mob Masher, so craft those first.[2][3]
Crafting Shaped
| Empty slot | Empty slot | |
Recipe id: mob_grinding_utils:recipe_spikes
Crafting Shaped
Recipe id: mob_grinding_utils:recipe_saw
Crafting Shaped
Recipe id: mob_grinding_utils:recipe_fan
Crafting Shaped
| Empty slot | any slime ball | Empty slot |
| any slime ball |
Recipe id: mob_grinding_utils:recipe_entity_conveyor
Stage 2: tanks and XP
Tanks come next. The pack changed the Singularity Tank and Jumbo Tank recipes. The XP Solidifier and the XP Drain Singularity Tank use the mod's own recipes.[3]
Crafting Shaped
| any glass blocks | ||
| any glass blocks | any glass blocks | any glass blocks |
| any glass blocks |
Recipe id: mob_grinding_utils:recipe_tank
Crafting Shaped
| Empty slot | ||
Recipe id: mob_grinding_utils:recipe_jumbotank
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | Empty slot |
Recipe id: mob_grinding_utils:recipe_solidifier
Other XP items are in the pack too. The pack changed the recipes for the XP Tap, the XP Speed Upgrade and the XP Mould Blank. The blank mould can be turned into an XP Mould Jelly Baby, and a solidify recipe turns that mould into an XP Jelly Baby. A Solid XP can be uncrafted into 9 of them.[3]
Crafting Shaped
8 × Gold Nugget
Recipe id: mob_grinding_utils:recipe_mould_blank
This is a pack-changed recipe.
Stage 3: upgrades and extras
- Fan upgrades: Mob Fan Height Upgrade, Mob Fan Distance Upgrade (shown as Distance) and Mob Fan Width Upgrade. The pack changed all of these recipes.[3]
- Absorption: the Absorption Hopper uses the mod's own recipe, while the pack changed the Absorption Radius Upgrade recipe.[3]
- Spawner upgrades: Entity Spawner Height Upgrade and Entity Spawner Width Upgrade, both with the mod's own recipes.[3]
- The pack changed the Ender Inhibitor Active and Tinted Glass recipes.[3]
- Boss mufflers: Ender Dragon Death Muffler and Wither Boss Death Muffler, both with the mod's own recipes.[3]
Crafting Shaped
| Empty slot | Empty slot | |
| Empty slot | any glowstone dust | Empty slot |
Recipe id: mob_grinding_utils:recipe_ender_inhibitor
This is a pack-changed recipe.
How does Mob Grinding Utils work with other mods?
2 parts
Mob Grinding Utils has one confirmed recipe link to another mod in this pack, plus a quest that points you at a second mod for the spawning side of a mob farm.[2][3]
Ender IO: Tinted Glass
The pack changed the recipe for Tinted Glass. As changed, it uses an Ender IO material, Dark Steel Ingot, so you need to be into Ender IO progression before you can make it. Here is the exact in-pack recipe:[3]
Crafting Shaped
| any coal | any glass blocks | any coal |
| any glass blocks | any glass blocks | |
| any coal | any glass blocks | any coal |
Recipe id: mob_grinding_utils:recipe_tintedglass
Apotheosis: spawners
The quest "Mob Grinding" quest asks you to get the Mob Masher, the Mob Fan and the Entity Conveyor. Its text says the Mob Masher can be upgraded with Looting Upgrades to drop more loot from kills, and suggests combining it with an Apotheosis spawner for a strong setup.[2]
The quest "Spawner Farms" quest covers that spawner side. It is about Apothic Spawners, which let you relocate and upgrade mob spawners to build your own mob farms. Both quests are in the "Generating Resources" chapter, in the "Resources & Logistics" group (chapter 8 of 31 in the book).[2]
That chapter has 99 quests, and most of them are not covered here. Check the quest book to see whether any of the others mention Mob Grinding Utils.[2]
Which FTB Skies 2: Aero quests use Mob Grinding Utils?
2 parts
Mob Grinding Utils has one quest in the pack's quest book. It sits in the "Generating Resources" chapter, which is chapter 8 of 31 in the book and belongs to the "Resources & Logistics" group.[2]
The chapter opens with "Resource Generation" quest, a checkmark quest explaining that the chapter covers the mods that help you farm resources. The mob farm quest is one of many farming quests in there.[2]
Mob Grinding
"Mob Grinding" quest is the quest for this mod. It asks you to hand in three items: the Mob Masher, the Mob Fan and the Entity Conveyor. The book lists no quest that has to be finished before it.[2]
The quest text pitches the mod as the way to build an automated mob farm. It says the Mob Masher grinds up anything it touches, and that you can upgrade it with Looting Upgrades to get more loot from each kill. It also suggests pairing it with an Apotheosis spawner.[2]
What to read next
The spawner idea is picked up by "Spawner Farms" quest in the same chapter. It asks for a spawner chain and a spawner. It explains that Apothic Spawners lets you move a spawner (break it with a Silk Touch pickaxe) and change its mob with a Mob Egg. That's the other half of the farm the Mob Grinding quest describes.[2]
The book doesn't link the two quests with a prerequisite arrow. They are separate quests in the same chapter.[2]
Which Mob Grinding Utils config options matter?
2 parts
Same as in the FTB Skies 2 1.22.0 guide
Mob Grinding Utils keeps its settings in the server config, and only two options are shown for this pack. One of them is a value the pack changed from the mod default, so it's worth knowing before you plan your grinder.[6]
Masher upgrade cap
masherMaxUpgrade sets the maximum number of upgrades the masher can take. The pack sets it to 6, down from the mod default of 10. The allowed range is 0 to 10, so the pack lowers the ceiling but doesn't remove upgrades entirely.[6]
Fan blades
fanStrongerBlades is set to false in this pack. When it's true, the fan blades are stronger and the fan is only blocked by more solid blocks. With it off, the fan doesn't get that behavior. The source doesn't mark this as changed from the mod default, so I can't say the pack altered it.[6]
Sources
- FTB Skies 2: Aero 1.10.0 mod list · pack file
- FTB Skies 2: Aero 1.10.0 quests: "Generating Resources" · pack file
- FTB Skies 2: Aero 1.10.0 recipe dump: recipes making Mob Grinding Utils items · pack recipe dump
- mob_grinding_utils names, screen text and descriptions (English lang file) · official mod data
- FTB Skies 2: Aero 1.10.0 config: config/mob_grinding_utils-server.toml · pack file
- FTB Skies 2 1.22.0 config: config/mob_grinding_utils-server.toml · pack file
Where this guide comes from
Written from what FTB Skies 2: Aero itself ships: its files and recipes, the in-game guidebooks and the mods' own pages. Every statement links to the source it came from, and the numbers are checked against the pack before publishing.
Guide last verified Oct 17, 2026.
Report wrong info
Version in each release
21 releases, first in 1.0.3
| FTB Skies 2: Aero | Version | Jar | Where it came from |
|---|---|---|---|
| 1.13.0 Sep 28, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.12.1 Sep 22, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.12.0 Sep 21, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.10.0 Sep 8, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.9.1 Sep 2, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.9.0 Sep 1, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.8.0 Aug 25, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.7.3 Aug 19, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.7.2 Aug 18, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.7.1 Aug 18, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.6.1 Aug 13, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.6.0 Aug 11, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.5.1 Aug 8, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.4.1 Aug 4, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.4.0 Aug 3, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.3.0 Jul 30, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.2.1 Jul 28, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.2.0 Jul 28, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.1.1 Jul 25, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.1.0 Jul 24, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
| 1.0.3 Jul 17, 2026 | 1.1.10+mc1.21.1 | mob_grinding_utils-1.1.10+mc1.21.1.jar | From the published release |
"From pack files" means the list came from the pack's own files; "from the published release" means ForgeBase read the jars of the release itself.
Items and blocks
46 items from the 1.10.0 recipe dump.
Absorption Hopper
Absorption Radius Upgrade
Dark Oak Stone
Delightful Dirt
Ender Dragon Death Muffler
Dreadful Dirt
Ender Inhibitor Inactive
Ender Inhibitor Active
Entity Conveyor
Entity Spawner
Mob Fan
Mob Fan Height Upgrade
Mob Fan Distance Upgrade
Mob Fan Width Upgrade
Fluid XP Bucket
GM Chicken Feed
GM Chicken Feed Cursed
Golden Egg
Jumbo Tank
Mob Swab
Mob Swab Used
Monocle
Imaginary Not Here Sword
Nutritious Chicken Feed
Rotten Egg
Mob Masher
Mob Masher Upgrade Arthropods
Mob Masher Upgrade Beheading
Mob Masher Upgrade Fire
Mob Masher Upgrade Looting
Mob Masher Upgrade Sharpness
Mob Masher Upgrade Smite
XP Jelly Baby
Solid XP
XP Mould Jelly Baby
XP Mould Blank
Entity Spawner Height Upgrade
Entity Spawner Width Upgrade
Iron Spikes
Singularity Tank
XP Drain Singularity Tank
Tinted Glass
Wither Boss Death Muffler
XP Solidifier
XP Speed Upgrade
XP Tap
FTB Skies 2: Aero quests (1)
Quests from the pack's FTB Quests book that ask for this mod's items.
Generating Resources (1)
- Mob Grinding
Config options (how FTB Skies 2: Aero sets them)
2 settings shipped in the pack's config files; 1 differ from the mod's documented default.
Show settings
| Setting | FTB Skies 2: Aero value | Mod default |
|---|---|---|
masherMaxUpgrade changed by FTB Skies 2: AeroMax upgrades for masher config/mob_grinding_utils-server.toml | 6 | 10 |
fanStrongerBlades Fan blades are stronger, fan is only blocked by more solid blocks config/mob_grinding_utils-server.toml | false | not documented |
Which FTB Skies 2: Aero mods work with Mob Grinding Utils?
The FTB Skies 2: Aero mods that share the most recipes with Mob Grinding Utils. Highlighted ones have a guide.
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