[D4] Different Monster families have different drop rates

Heres an amazing list compiled by reddit user u/NightKrowe that lists which dungeons have which types of mobs to better help you target your farming:

Bandits ( Daggers, Maces )

Mournfield
Faceless Shrine
Calibel's Mine
Renegade's Retreat
Maulwood
Maugan's Works
Uldur's Cave
Raethwind Wilds
Light's Watch
Luban's Rest

Beasts ( Chests, Crossbows, Swords )

Mournfield
Haunted Refuge
Uldur's Cave
Leviathan's Maw
Path of the Blind
Fetid Mausoleum
Akkhan's Grasp
Corrupted Grotto
Light's Refuge
Blind Burrows
Tomb of the Saints
Demon's Wake
Bastion of Faith

Cannibals ( 2H Axes, Axes, Helms )

Steadfast Barracks
Pallid Delve
Bloodsoaked Crag
Earthen Wound
Charnel House
Guulrahn Slums
Fallen Temple (Capstone)
Faceless Shrine
Bastion of Faith

Cultists ( Daggers, Helms )

Cultist Refuge
Steadfast Barracks
Buried Halls
Inferno
Leviathan's Maw
Path of the Blind
Faceless Shrine
Serpent's Lair
Halls of the Damned
Dark Ravine
Conclave
Shadowed Plunge
Yshari's Sanctum
Heretics Asylum
Endless Gates

Drowned ( Scythes, 2H Maces, Pants, Boots )

Belfry Zakara
Vault of The Forsaken
Ghoa Ruins
Ruins of Eridu
Flooded Depths
Corrupted Grotto
Fetid Mausoleum
Mariner's Refuge
Akkhan's Grasp
Putrid Aquifer
Sunken Library
Dead Man's Dredge
Haunted Refuge

Fallen ( Axes, Staves )

Ruins of Eridu
Demon's Wake
Fallen Temple Capstone
Grinning Labyrinth
Oblivion
Fading Echo
Wretched Delve
Ancient's Lament
Shifting City
Cathedral of Light (Capstone)
Bloodsoaked Crag
Endless Gates
Whispering Pines
Shivta Ruins
Garan Hold
Conclave
Sirocco Caverns
Caldera Gate
Lost Archives
Halls of the Damned
Derelict Lodge
Pallid Delve
Mournfield
Guulrahn Slums
Onyx Hold
Forgotten Depths
Buried Halls
Iron Hold
Champion's Demise

Ghosts ( Bows, Wands )

Haunted Refuge
Lost Keep
Forbidden City
Buried Halls
Sealed Archives
Broken Bulwark
Abandoned Mineworks
Black Asylum
Tomb of the Saints
Iron Hold
Crumbling Hekma
Halls of the Damned
Whispering Vault
Onyx Hold
Seaside Descent
Immortal Emanation
Earthen Wound
Calibel's Mine
Guulrahn Slums
Sunken Ruins
Mariner's Refuge
Oblivion
Lost Archives
Twisted Hollow
Stockades
Maddux Watch
Penitent Cairns

Goatmen ( 2H Axes, Axes, 2H Staves, Totems )

Champion's Demise
Forsaken Quarry
Hoarfrost Demise
Sepulcher of the Forsworn
Komdor Temple
Mercy's Reach
Rimescar Caverns
Oldstones
Anica's Claim
Domhainne Tunnels
Shivta Ruins
Broken Bulwark

Skeletons ( Crossbows, Shields, Swords )

Forgotten Depths
Betrayer's Row
Mournfield
Belfry Zakara
Hakan's Refuge
Komdor Temple
Crumbling Hekma
Defiled Catacomb
Yshari's Sanctum
Collapsed Vault
Forgotten Ruins
Sunken Library
Ancient Reservoir
Halls of the Damned
Pallid Delve
Zenith
Demon's Wake
Cathedral of Light (Capstone)
Hoarfrost Demise
Black Asylum
Stockades
Kor Dragan Barracks
Nostrava Deepwood
Seaside Descent
Tormented Ruins
Maddux Watch
Crusaders' Cathedral
Luban's Rest
Garan Hold
Underroot
Caldera Gate

Snakes ( 2H Polearms, Swords )

Serpent's Lair
Shadowed Plunge
Witchwater
Ghoa Ruins
Forgotten Ruins
Deserted Underpass
Hakan's Refuge
Putrid Aquifer

Spiders ( Chests, Focus, Gloves, 2H Swords )

Blind Burrows
Hive Diablo
Abandoned Mineworks
Sirocco Caverns
Witchwater
Whispering Pines
Deserted Underpass
Guulrahn Canals
Ferals' Den
Defiled Catacomb
Sarat's Lair
Pallid Delve
Oldstones
Champion's Demise

Vampires ( Bows, 2H Swords, Wands )

Akkhan's Grasp
Dead Man's Dredge
Forbidden City
Fetid Mausoleum
Immortal Emanation
Kor Dragan Barracks
Heathen's
Zenith
Sanguine Chapel
Hallowed Ossuary
Collapsed Vault

Knights

Cathedral of Light (Capstone)
Light's Refuge
Lost Keep
Maugan's Works
Heretics Asylum
Renegade's Retreat
Prison of Caldeum
Kor Valar Ramparts
Bastion of Faith
Heathen's
Crusaders' Cathedral
Mercy's Reach
Broken Bulwark
Light's Watch

Clerics

Lost Keep
Light's Refuge
Bastion of Faith
Heathen's

Once again all credit to reddit user u/NightKrowe for compiling this list