Infernal Grinding (Guide)
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Soul[edit]
- 28 per action when you Track down a Spirifer
- 60.5 per action on average from The prince of... (1-120,
Shadowy 100 challenge, requires 
PoSI and 
Renown: Hell 10)
- ~70 per action on average from Attend for a treatment (100, no challenge, but with a ~30% chance of alternate success; requires Railway and Virginia's Spa at Ealing Gardens; additionally gives
1-2 x Brilliant Soul). Gives 
5-7 x Compromising Document on alternative success. Rate increases to about 92.5 per action if you sell the Compromising Documents and buy Souls with the profits or about 118.8 per action if you sell the Compromising Documents and Brilliant Souls.
Other
- Buy for 0.04
from Merrigans Exchange. Any 4.26+ EPA grind beats out all above options. Using a decent mid-game grind (such as 'Publishing a newspaper) which gives ~3.6 EPA (~90 souls per action) is the best grind until you get to Ealing Gardens (see above). However, at that point, you unlock better money-making grinds around ~5 EPA (~125 souls per action). - 210 if you select The Smugglers' Grave from the card An Implausible Penance. Costs
1x Favours: Criminals. Assuming 1 action per favour, you get a relatively high 105 souls per action, but needs two card draws.
Amanita Sherry[edit]
- Can be purchased from Merry Gun's Exchange for 1
(at value)
- Give the goat-demon a Crystallised Curio gives 25 in exchange for
1 x Crystallised Curio - Discuss the Disembarked Deviless gives 22 for 1 action, but is locked with the completion of the Disembarked Deviless' storyline (
Breaking the Ice 6+).
Other
- Upconverting Souls; with souls sourced from Virginia's Spa, this can reach 17.5 per action.
Brilliant Soul[edit]
- 25 from the Steal Brilliant Souls en route to Hookman House option from Thefts of Particular Character, costing 32 CP of
Casing...; see Casing (Guide) for more info. With Parabolan casing (7 CP per action), this gives up to about 4.5 per action. - 8-38 from The Landlord's Safe when robbing the mansion of an Unsympathetic Landlord; see On a Heist (Guide) for more information.
- 1-2 from Attend for a treatment; the alternate success gives none.
- 5 for a success on Offer to design a treatment: a steam-bath of Mutersalt Vapours; requires
Mutersalt. If the 
Silent Soul obtained throught the 5% rare success are sold and used to buy Soul to upconvert into Amanita Sherry and then to Brilliant Soul, this can reach around 5.24 per action over a large amount of actions (assuming 505/100 conversions).
- 4-27 for Rob the Museum of Souls; requires having a Museum of Souls at Burrow-Infra-Mump, costs 36 CP Casing.... See Casing (Guide) for more information. This also gives a Silent Soul and
Queer Soul
- 3 when you Engage in a little light preaching at your Diocesian Church of Hell; on
Mithridacy 6 failure
- An amount depending on your Monograph's
Ironic (potentially up to 222) when you sell to The Diabolical Propagandist; see Writing a Monograph (Guide) for more information.
Other
- Upconverting Amanita Sherry from the Rat Market or elsewhere; in particular, upconverting from Spa souls gives about 3.55 souls per action.
- Side-converting from Newspaper-sourced
Journal of Infamy; this gives 4.48 per action. Side-converting from Newspaper-sourced 
Scrap of Incendiary Gossip instead gives 4.53 per action. - Buy Amanita Sherry in The Rat Market, then upconvert once. Depending on the efficiency of your source of
Rat-Shillings, this gives the following overall efficiency:
| /action:
|
30 | 40 | 50 | 60 |
|---|---|---|---|---|
| /action:
|
5.94 | 7.78 | 9.55 | 11.25 |
Muscaria Brandy[edit]
- 6 for Deliver the documents to the Brass Embassy after robbing the Circumspect Envoy's Townhouse; see On a Heist (Guide) for more information. This is less effective purely as a source of Brandy, but also gives a Brass Ring and Favours: Hell.
- 5 from the Steal Muscaria Brandy from the Infernal Sommelier option from Thefts of Particular Character, costing 32 CP of Casing...; see Casing (Guide) for more info. For example, with optimal Parabolan casing, this takes about 0.9 actions per brandy.
- 3 for Send a small amount of Bees to Hell; this requires at least 1.33 actions per brandy. See Hunting Bees in Old Newgate (Guide) for more information
The Magistracy of the Evenlode
- 5 for Await a verdict on Tomb-Colonists v Hell (Defence), for an average of 1.2 actions per brandy. See Barristering at Evenlode (Guide) for more information.
Balmoral/London
- 5 for Unveil your Painting (Default); see Painting in Balmoral (Guide) for more information. This also gives
Airag and 
Favours: Society. A painting takes 8 actions, so this is 1.6 actions per brandy.
- An amount depending on your Monograph's
Cautionary (potentially up to 44) when selling to The Diabolical Propagandist; see Writing a Monograph (Guide) for more information.
- Give the goat-demon a Crystallised Curio gives 1 in exchange for 1 x Crystallised Curio. See Digging in the Hurlers (Guide) for more information.
- 1 for Speak to the Dauntless Knight (Walls of Hell); requires that you ended the Null and Void storyline with the Firkin of Starshine.
Other
- Upconverting Brilliant Souls; with souls sourced from Ealing Spa this reaches 0.91 per action.
- Discordant Ripples (Following) 3 gives 1
- You can get 6 by selling the right-hand side of the Screaming Map to Hell
Brass Ring[edit]
- 1 for Deliver the documents to the Brass Embassy after robbing the Circumspect Envoy's Townhouse; see On a Heist (Guide) for more information.
The Gamekeeper's Cottage, Renovated
- 1 for The assemblage of ticking brass; costs
5 x Exploits, averaging 5 actions. Also nets you 
1 x Whirring Contraption. See Hearts' Game (Guide) for details.
- 1 for Surrender the Marigold Emblem 3 or Surrender the Marigold Emblem 6; on average this gives 1 every 6 actions.
Other
- 1 for Tell him all you know and abandon your research, costing on average 7.38 actions and 3.91 of materials; see Fidgeting Writer (Guide) for more information.
- 5 for upconverting 25 x Muscaria Brandy; costs x 1 Favours: Hell.
- Can be purchased from Trompowsky et Fils for 40 .
Devilbone Die[edit]
- 1 for Dice! on A card game. Requires
The Airs of London equal to three times your Irrigo. As the Nadir offers no opportunity to change those, you want to enter with Airs 3, 6, 9, 12, 15, 18, 21, 24 or 27.
- 1 for a rare success on Sell a Jurassic Thigh Bone, which costs 1 x Femur of a Jurassic Beast
- 4 for Explore while you can, the conclusion to Look for a copy of The Book of Proper Speech. See The Stacks (Guide) for more information.
Queer Soul[edit]
- 2 when you Convince the Spirifer that you serve a lower power; see Flash Lays (Guide) for more information.
- 2 for turning in 4 x Favours: Hell to A Glabrous Nymph. Requires
Involved in a Railway Venture 130 (that is, a station at Marigold). Assuming card-based favours and disregarding travel costs, this takes 2.5 actions per Soul.
- 1 for Rob the Museum of Souls; requires having a Museum of Souls at Burrow-Infra-Mump, costs 36 CP Casing.... See Casing (Guide) for more information.
- 1 when you Engage in a little light preaching on a Mithridacy 6 success. Requires having founded a Diocesan Church of Hell.
- Ask the Curatorial Devil to examine some bulk souls gives 3 on a success; costs 400 x Soul.
- 5 for Warn the Eagle, requiring at least 12 actions and an
Emetic Revelation; see Khaganian Intrigue (Guide) for more information.
Silent Soul[edit]
- For the Counter-Church gives 1 in exchange for 10CP of
Corresponding.... Requires you to be a 
Crooked-Cross.
- 1 for Deliver the documents to the Glass after robbing the Circumspect Envoy's Townhouse; see On a Heist (Guide) for more information.
- Offer to design a treatment: a steam-bath of Mutersalt Vapours has a 5% chance of giving one on a success; requires Mutersalt.
- 1 for Rob the Museum of Souls; requires having a Museum of Souls at Burrow-Infra-Mump, costs 36 CP Casing.... See Casing (Guide) for more information.
Balmoral/London
- 1 for Unveil your Painting (Incendiary); see Painting in Balmoral (Guide) for more information.
The Copper Quarter/London
- Cracking open a crate from the the Peaceable & Godly Trading Company has a 1 in 10 chance of giving one.
- 60% chance of getting one from Ask the Curatorial Devil to examine numerous souls; costs x 100 Brilliant Soul and
x 1 Portfolio of Souls
- 1 for selling an Exceptional Thesis to The Diabolical Propagandist; see Writing a Monograph (Guide) for more information.
- 1 from Sell surplus Railway Steel to the Moloch Line on the card Under the Statue at Marigold Station; costs
x 1 Railway Steel
Portfolio of Souls[edit]
- In souls lets you pay out your Professional Activities (Guide) in portfolios. Up to about 1 every 25 actions for
Silverers—requires having first reached Marigold Station and received a 
Marigold Flower—and 
Monster-Hunters, 16.7 actions for 
Correspondents and Fractionists, and 12.5 actions for Crooked-Crosses and 
Midnighters.
- 1 for completing an expedition to the Sanctuary of the Crimson Petals; see Forgotten Quarter Expeditions (Guide) for more information.
- Assemble a Portfolio of Souls costs 1000 x Soul, 80 x Brilliant Soul, and
75 x Infernal Contract.
- Ask the Curatorial Devil to curate some souls gives one in exchange for 800 x Soul, 60 x Brilliant Soul and 50 x Infernal Contract; requires A Museum of Souls.
Bright Brass Skull[edit]
- 2 for completing an expedition to the Sanctuary of the Crimson Petals; see Forgotten Quarter Expeditions (Guide) for more information.
- 1 for Leave the barge (The Cedar-Woods), costs 2 actions and 6
Esteem of the Guild; see Canal Cruising in Jericho Locks (Guide) for more information.
Other
- Can be purchased from Merrigans Exchange for 62.50
Devilish Probability Distributor[edit]
- 1 for Complete and test the Devilish Probability Distributor; requires
450 x Laboratory Research. See University Laboratory (Guide) for details
Discordant Soul[edit]
- 1 from The Deviless' Vitrine; requires a heist, seeking a mirror from the far side, x 7 Favours: Hell and x 5 Favours: Criminals. See On a Heist (Guide) for more information.
- 1 for ripping out a Discordant Law when your
Steward of the Discordance is at its cap
- 1 from Send an inordinate amount of Bees to Hell; takes at least 25 actions per soul. See Hunting Bees in Old Newgate (Guide) for more information.
Balmoral/London
- 1 for Unveil your Painting (Incendiary + Nostalgic); see Painting in Balmoral (Guide) for more information.
- Ask the Curatorial Devil to examine numerous souls has a 40% chance of giving one; costs x 100 Brilliant Soul and x 1 Portfolio of Souls.
Infernal Machine[edit]
- 1 for Finish your Machine of Industry; requires 500 x Laboratory Research. See University Laboratory (Guide) for details.
Coruscating Soul[edit]
- Can be purchased for 3125 when the Rat-Wind blows South and the the Rat-Moon is Runny.
- With A Museum of Souls, can be purchased for 1 x Discordant Soul, 5 x Silent Soul, 5 x Portfolio of Souls, 125 x Brilliant Soul and 25 x Muscaria Brandy.
Other
- 1 for Look through the Lens, taking on average 113.46 actions and 100.42 of materials; see Fidgeting Writer (Guide) for more information.
- Can be purchased from the Capering Relicker for
x 680 Certifiable Scrap.
Reported Location of a One-Time Prince of Hell[edit]
- Can be purchased for 15625 when
The Rat Season: is Nitre-Knife, Kifer-Caitiff, or Skitter-Scatter (World Quality, currently locked).
- A message in the language of Hell gives one; requires selling a very advanced cover identity to Devils (
500 Cover Identity: Backstory, 6 Cover Identity: Credentials, 
6 Cover Identity: Nuance, 
6 Cover Identity: Witnesses, 10 Cover Identity: Elaboration) and at least 16 further actions of decoding for Midnighters (20 for non-Midnighters). See Cover Identities (Guide) for more information.
Other
- Can be purchased from the Capering Relicker for x 3200 Certifiable Scrap
