Ancient Essence

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Item icon essence.png
Ancient Essence
Mysterious energy used by the Ancients. It pulses in harmony with the living universe.
Rarity Legendary
Price 0
Stack size 16777216
ID essence

Ancient Essence is a currency that is used to upgrade items at the Cosmic Crucible.

Even in the early game you will randomly find small amounts of it: it sometimes drops from monsters, etc. Some artifacts can be exchanged for Ancient Essence at the shops of Science Outpost.

In the late game, there are two plentiful sources of Ancient Essence: Soulleaf Seed will allow you to cultivate it in greater quantities, while the Precursor computers (such as the Precursor Mainframe) will yield a small amount of Ancient Essence in addition to their normal Research yields. It's also possible to buy a large amount of Geodes and feed them to a Microscope, which will sometimes produce Ancient Essence.

You also get 2000 Ancient Essence by defeating an "Ancient Guardian" boss, which exists in several missions (at least Brine Star, Hydro Center and Mount Gigant) and in vanilla Ancient Vaults (see https://starbounder.org/Ancient_Vault ). These bosses are much stronger in FU, but their strength lies not in greater stats, but in their advanced tactics (which are randomized, so they won't be the same for each Ancient Guardian that you'll encounter). By adapting to those tactics you can defeat them.

Currencies
FU Research (unlocking recipes) · Madness (amount of crazy ideas) · Genes (knowledge "how living beings work") · Protheon (insight into great knowledge of the past)
Vanilla Pixels (buying/selling) · Ancient Essence (upgrading items) · Peace Credit (peacekeeper store) · Dubloon (hiring penguins)

How to obtain

Growing Tray

Time: 6-11s

Time: 3480-3720s (first harvest)
Time: 1140-1250s (regrowth)

Crafting

Silenes' Minerals

Extractions

Extraction Lab

Extraction Lab MKII

Quantum Extractor

Gas Centrifuge

Erchius Converter

Exploration

Treasure pool

Animals

Monster drops

Monster drops (hunting)

  • Nameless monster: largebiped
  • Nameless monster: largebiped2
  • Nameless monster: largebiped3
  • Nameless monster: smallbiped2
  • Hopper
  • Fleshleech
  • Fleshleech
  • Flesh Leech
  • Nameless monster: smallbiped
  • Nameless monster: smallquadruped
  • Nameless monster: largeflyingminiboss
  • Nameless monster: largebipedminiboss
  • Nameless monster: largequadrupedminiboss
  • Baroshk Nyano

Used for

...

Ancient Texts

Armory

Engineering Bench

Industrial Workbench

Lorewalker's Shop

Matter Assembler

Mech Part Crafting Table

Murder-Twig's Yum-Yums

Nanofabricator

Power Station

Svetlana's Stall!

Terraforge

Tinkering Table