Midgard Alchemy: More Potion Formulations

Midgard Alchemy: More Potion Formulations

There are several things to keep in mind when you are using these formulas for your campaign or for making your own formulas. As with any magic item, a formula can affect the balance of your game. Carefully review the effects of its resulting item and think about how difficult it will be to make. If it contains a material that isn’t normally obtainable by the party, then it won’t heavily affect game balance since you can control how much they find. If they can obtain or purchase an indefinite amount, then a formula effectively adds a new ability the party can use in exchange for resources and downtime. It is also best if the resources that go into a potion aren’t so prohibitively difficult that it isn’t worth making at all.

Here are two more magic potion/oil formulas, a feat, and some guidelines for adding ability checks to your magic item creation.

Formula: Oil of Sharpness

Formula, legendary

To make this oil, you need simply follow these instructions:

  • Gather 20 pounds of high-quality rust monster dung. You will need to feed the rust monster a consistent, steel-rich diet, and if multiple rust monsters are used, they should be of similar size and breed.
  • Load the dung into a brick kiln with one opening for loading dung, another for unloading charcoal, an eyehole at the top for smoke to escape, and vents along the bottom to control airflow.
  • Ignite the dung and subject it to slow pyrolysis, burning it in a low-oxygen environment for roughly a week. The smoke coming from the eye will initially be white and then yellow and then bluish or clear. When it reaches the third stage, seal the air vents, leaving only the eyehole open to release volatiles for 2 days, and finally seal the eyehole for cooling. This produces an alchemical substance called rust coal.
  • Rust coal will burn metal in a manner similar to how wood burns, but it releases toxic fumes, and the metal becomes rust instead of ash. Use the rust coal with a furnace and bellows to burn an expertly sharpened mithral longsword at a high heat until it is reduced to a fine pile of rust. After it cools, carefully sift through the rust to find tiny, ultrathin silver shards.
  • Suspend the shards in mineral oil and seal in an airtight container. This is the oil of sharpness.

Formula: Potion of Water Breathing

Formula, rare

To make this potion, you need simply follow these instructions:

  • Oysters exposed to an aboleth’s mucus cloud will mutate, and their shells will turn translucent. The pearls from these oysters are filled with a pink gelatinous substance called jooba jelly. This jelly has the properties of aboleth mucus. Collect one “pearl” of jooba jelly.
  • Place the pearl in a freshwater tank or pool with a lungfish and check it twice daily. Over time, the lungfish will filter the potency of the jooba jelly, reducing its harmful side effects. Within a week, the pearl should begin to float, and its outer shell will be thin and flexible enough that it resembles a small jellyfish.
  • Being careful not to rupture it, remove the pearl and seal it in an airtight flask with greenwater—seawater rich with living algae. The algae solution will preserve the jelly indefinitely. This is the potion of water breathing.

Option: Alchemist’s Supplies Checks

You may wish to add ability checks as part of the harvesting and crafting process. Here are some guidelines. To harvest a fantastical material, the character makes an ability check using alchemist’s supplies against a DC determined by the rarity of the formula that is being worked on, as outlined below. You could also require checks as part of the process of creating an item. The most difficult step can have its difficulty based on the formula rarity and other steps requiring a check would be one stage easier. Generally, alchemy uses Dexterity or Intelligence. Adding some checks to the process can be fun, but be careful not to overdo it and cross into tedium.

Alchemy Ability Checks

Formula RarityDC
Uncommon5
Rare10
Very Rare15
Legendary20

Feat: Alchemist

You have studied alchemy extensively and gain the following benefits:

  • As part of a short rest, you can use alchemist’s supplies to create an alchemical admixture using two alchemical consumables that are used in the same way (such as two potions or two oils applied to the body). The admixture confers the benefits of both consumables when used. You can’t combine two admixtures together in this way.
  • You gain proficiency with alchemist’s supplies if you don’t already have it. Double your proficiency bonus when making an ability check using alchemist’s supplies.
  • When you finish a long rest, you can use alchemist’s supplies to create a number of magical minor potions equal to your proficiency bonus. Once drunk, a minor potion’s effect lasts for 1 hour. A minor potion loses potency after 24 hours and has one of the following effects of your choice:

Ability. Choose an ability score when you create the potion. When the drinker makes an ability check with the chosen ability score, they roll a d4 and add the number rolled to the check.

Ironskin. Any critical hits the drinker suffers become normal hits instead.

Potence. Once during their turn, when the drinker damages a creature, they can deal an extra 1d4 damage to that target.

Protection. The drinker gains a +1 bonus to all saving throws.

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2 thoughts on “Midgard Alchemy: More Potion Formulations”

  1. I am really loving these potion articles. I would gladly buy a product that consisted of this kind of content for potions and other consumable magic items. These are the kinds of items that I think should feature more prominently in D&D as the relative rarity of potions, scrolls, and the like tend to make players hoard them or forget they have them because they were saving them for that “special moment”.

    I will say that the minor potion effects of the Alchemist feat are all very cool, but I think almost all of them should be limited to the first instance of their trigger during the hour, especially the Ironskin effect. At level 4, when most characters would be able to take this feat, the characters could prevent all critical hits to 2 party members for several bouts of combat. That seems like a rather absurd boost in power to have available every day, and mechanically would be the only choice most PCs would consider. Limiting it to the first critical hit would be much more reasonable.

    Potency, Ability, and Protection are probably fine as is, though they may benefit from having reduced time limits. Maybe Potency only lasts for 5 minutes, meaning that the Rogue needs to drink it right before combat.

    Over all, I really like the concept of the feat, I just think it needs a serious re-balance pass.

    1. Having a chance to think on it further, the Ability effect of the Alchemist feat is also pretty overpowered when compared to the Guidance cantrip (which is already considered a really good cantrip). The limit of having to choose the ability score ahead of time is not as limiting as it seems because in many cases characters can predict what the major skill challenges will be in the coming day (the Bard is going to a party this evening to do some info gathering, the party is going to have to scale a mountain cliff, etc). So I think either reducing the effect to 5 minutes is more reasonable.

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