Well, obviously we all have conversations. I would say most of us know at least one of the "other" languages, plus Common - it's the only way to make it in the world. That just means there's a lot of things you can say in one place that'll make sense in other places too. Sometimes we say it a little different from spot to spot... plus there's the stuff the Aedvects keep throwing out there. I don't know why they stick so hard... maybe the novelty. Anyway, it's just a matter of paying attention.
— Regan of Keldare
 

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A

Aedvect, pl. Aedvectis, adj. Aedvecti
A person transported to Empirica Sin from another world. An Outworlder. The standard word, aedvect, is in Diursparid.
Primary Region of Use: Interrealm
Variations: Zozun: kirer sii

 
A person is known by their rage
A common saying referencing the idea that a person's true nature reveals itself only when they are angry and cannot control themselves effectively.
Primary Region of Use: Universal
Variations: "You know someone by their rage."
Use Example: "I always thought Belis was a good-hearted man. I guess it's true that a person is known by their rage."
Notes: Originated in Incaendium.

 
Ascension
The process by which a Celestial unlocks their internal limiters. One of two methods through which Celestials expand the upper limits of their potential.
Primary Region of Use: Astrum

 
Awakening
1. The moment when the first Celestials came to consciousness. This marks the earliest memory possessed by any living being.
2. The moment when any Celestial first comes to consciousness.
Primary Region of Use: Interrealm, but particularly in Astrum

B

Become, Becoming
The moment when a Celestial first comes into full awareness of their purpose, e.g. their Sphere of Domain.
Primary Region of Use: Astrum
  
Be ti tibu
"Find Your Calm" - a phrase that amounts to 'calm down' or 'relax.' In some contexts it can refer to a more profound calm as well.
Primary Region of Use: Incaendium

C

Caelestis
See: Celestial

 
Celestial, pl. Celestials
The primary species/metarace native to Astrum.
Primary Region of Use: Gaean, Incaendium
Variations: Caelestis, pl. Caelestise (Diursparid)

 
Clearish
The primary language used in Gaean. Somewhat sibilant.
Primary Region of Use: Interrealm
 

D

Demon, pl. Demons
The primary species/metarace native to Incaendium.
Primary Region of Use: Astrum, Gaean
Variations: Sura, pl. Kasura (Zozun)

 
Demons Never Rest for Long
A phrase of warning not to let one's guard down around demons. Derived from a Zozun phrase as explained below.
Primary Region of Use: Astrum, Gaean
Variations: kasura unaven (Zozun - literally "Demons don't sleep.") Notes: The original zozun phrase has an ominous feeling, and is used by Demons as a threat with a meaning to the effect of "I'll never stop doing [harmful thing]" (e.g. I'll never stop coming after you to kill you! I'll never stop plotting my revenge because you ate my pie! Don't let your guard down, I'm after you and I won't stop!) The more common phrase has a warning tone and is primarily used by non-demons to remind one another not to trust demons.

E

Exedis
The process of extracting and incorporating a person's lumen into oneself, thus expanding one's own ultimate potential power. This is primarily done by Demons, though Celestials can do so at a much reduced rate of benefit.
Primary Region of Use: Incaendium

F

First of Name
The first person to make use of a given name. Relevant due to the Celestial Naming Laws.
Primary Region of Use: Astrum
Variations: Phrase or word
Use Example: Use Example
Notes: No one outside of Astrum cares about this.

G

Great is not good
Something can be great (consequential, impactful, accomplished, prominent) without being good in a moral sense. This also applies in reverse.
Primary Region of Use: Universal, but with tonal differences. See notes.
Variations: kivalor ni ne kopalor (zozun, 'lit. greatness is not nobility')
Use Example: Use Example
Notes: This phrase can have different implications depending on the one using it. In most use cases, it is a warning that just because a thing is impressive or powerful, that does not imply they are inherently moral or kind. However, when used inside Incaendium, it will usually imply the opposite - that strong morality does not make a person inherently impressive.

H

Has been and Will Be
Something acknowledged as eternal; no one remembers it beginning, and everyone accepts that it will never end. This can be literal or used figuratively.
Primary Region of Use: Universal  

I

J

K

Kinling
The term used by Drereccas for other Drereccas
Primary Region of Use: Incaendium/Ryul

 
Kirer Sii, pl. Kakirer Sii
See Aedvect

L

Lumen
The term used to represent the overall potential, tapped and untapped, that a person possesses. This includes physical abilities, od, void, elemental affinities and everything about their power except for skill or how developed the abilities are. A person can have a high lumen level but be virtually helpless if they lack understanding of and skill with their abilities.
Primary Region of Use: Universal

 
Lumenti
Abilities that are "carried" - which is to say powers that have already been actualized/achieved. If a person has the potential to control all forms of metal but has only learned to manipulate steel, then their overall metal affinity contributes to their lumen (see above), but their lumenti includes only steel manipulation.
Primary Region of Use: Universal

M

Mortal, Mortals
The primary species/metarace of Gaean.
Primary Region of Use:Universal

N

O

P

Q

R

Red
A common description of intensity of feeling in Incaendium. This could reference love, desire, anger, violent impulses or anything else. The implication is that the emotional state is strong enough to determinative (or at least very influential) in the person's actions.
Primary Region of Use: Interrealm

S

Supranormal
Abilities considered extraordinary or "extra" vs. the basic functions of life. This includes things like magic, elemental abilities, psionics and even physiological abilities if they exceed the norm for their species.
Also sometimes used to describe any ability that substantially exceeds that of the speaker. For example, a human might use that term when referencing the natural strength of a Nephilor even if the Nephilor is not extraordinary by the standards of their own species.
Primary Region of Use: Interrealm

 
Sura, Pl. Kasura
See Demon.

T

Ti-zukasat

A Zozun word meaning "one who is savage" - an insult to the person's intelligence, sophistication and capability. It also implies that a demon fights without focus or skill.

Primary Region of Use: Incaendium

U

V

Vahesar

A Zozun world meaning "contaminant." It can refer to a literal toxin or contaminating substance, but is also used as an insult, implying that the person in question poisons the world by their very existence.

Primary Region of Use: Incaendium
 

W

X

Y

Z

Zozun, Zozu
The primary language of Incaendium
Primary Region of Use: Universal