Alchemical ink is an essential resource in Nightingale, used in various crafting recipes. If you want to make maps and travel to other Realms, read below to learn how to craft ink in Nightingale.
Nightingale Crafting Alchemical Ink and Vibrant Ink Guide
To craft Alchemical Ink, you'll need to unlock a crafting station called Simple Mortar Station. You can purchase the recipe for Simple Mortar Station from the Essence Trader in your Abeyance Realm for 55 Essence Dust. All Essence Traders are marked on your map (M on the keyboard) with a silver ticket icon (pictured above).
With the crafting recipe unlocked, return to your estate and place the Mortar Station. You can build it anywhere, but I highly recommend placing it indoors to gain positive structural properties. Basic Mortar Stations cost three Lumber and eight Fiber to build.
Interact with your Mortar Station to open the crafting menu, then select Alchemical Ink from the Refinement tab on the left. Alchemical Ink requires one Refined Pigment (also crafted at the Mortar Station) and one Glass (crafted in a Smelter) to craft. Click on the Ingredient Slots to choose which items you want to use to craft your Alchemical Ink; you can also press F to automatically fill both slots with an acceptable ingredient from your inventory. Then, press the Craft button (or press the R key) to craft Alchemical Ink.