Plants Don't Come With Labels

There’s a quiet design principle running through Rune Soul’s herbology system: the world teaches you before the skill does.

When you first stumble across a herb in the forest, you don’t see “Moonleaf.” You see a silhouette — a spindly shape with narrow leaves, faintly blue at the edges. The name reads “Unknown Herb.” The tooltip tells you nothing useful.

But the blue glow tells you something.

Plants in Rune Soul carry visual meaning before your Herbology feat is high enough to identify them. Blue glow means mana. Yellow flowers mean healing. Red veins mean aggression — combat, damage, danger. Purple spores mean poison. By the time you’ve explored enough to see all five color families, you’ve built a working vocabulary — not from a recipe screen, but from paying attention to the world.

This is intentional. The game is training you.

Three Stages of Knowing

Every herb and mushroom exists in three information states, gated by your Herbology skill:

• Unknown — generic silhouette, desaturated, no name
• Family identified — “Spindly Herb” or “Cap Mushroom” — shape resolves, basic color appears
• Species identified — full name, full detail, emissive effects, traits partially visible

Each unlock feels earned rather than granted. At level 10 you finally see “Moonleaf” instead of “Unknown Herb.” At level 40 you can see an ingredient’s actual alchemy properties for the first time.

Before that, you experiment.

Alchemy Is Not a Potion Shop

There’s no recipe list in Rune Soul’s alchemy system. There’s no “Mana Potion: 2x Moonleaf + 1x Glowcap” to look up.

Each ingredient carries four hidden traits. Potions form when two or more ingredients share matching traits — the more overlap, the more focused the result. Mismatched combinations produce side effects, or something worse.

What those traits are changes every playthrough. Ingredient properties are randomized per world seed, which means no guide will tell you what your Moonleaf does. The only way to learn your world is to explore it.

Biomes give you a navigational anchor — swamp plants trend toward poison and corruption, forest plants toward mana and healing, mountains toward defense and endurance. The flavor of a region holds. The specifics don’t.

This matters more than it sounds. Consider two herbs — Crimson Cap and Nettle Heart — that both carry Red energy traits. In one playthrough, those shared traits produce a clean HP Regeneration potion. In the next, Nettle Heart rolled a Poison trait alongside its Red ones. The same two plants now brew something you probably don’t want to drink.

Now you have a decision. Add a third ingredient with antidote properties to counter the contamination. Or process the Nettle Heart first — refining it down to its dominant traits, stripping the Poison out before it touches the alembic. Both paths work. Which one you take depends on what you have, how skilled you are, and what your workstation can handle.

That’s a production strategy problem. And it’s different every run.

(The specific herbs and traits above are illustrative — yours will be different.)