Information (not finished, beware of spoilers)
Mentioned Characters, Places and Monsters (updated when a new character, place or monster is added in the novel)
X = dead
- Characters -
Ardiel /ar-jel/
X Mikelo /mee-kel-lo/
X Benedict /ben-nee-dik/
X Edmund /ed-moond/
X Kevin /kev-veen/
Iriel /eer-yel/
Eliana /el-ya-na/
Variela /var-yel-la/
Fecuro /fe-koo-ro/
Feruel /fer-rowel/
Terun /ter-roon/
Suro /soo-ro/
- Places -
Ambrysie Desert /am-bray-see desert/
Jelsinco Forest /yel-seen-ko forest/
Furieles Town /foor-yel-les town/
- Monsters -
Camulf /kam-moolf/
Katir /kat-teer/
Rhifallo /ree-fal-lo/
~ Money ~
1 platinum = 10 gold
1 gold = 10 silver
1 silver = 10 copper
- Beasts Ranks -
S
A
B
C
D
E - Rhifallo
F - Camulf, Katir
G
- Hierarchy of Demons in society -
Demon King or Queen
Demon Prince or Princess
Demon Duke or Duchess
Demon Marquis or Marchioness
Demon Count or Countess
Demon Viscount or Viscountess
Demon Baron or Baroness
Demon Lord or Lady
Demon Citizen
- Hierarchy of Demons in military -
Demon General
Demon Captain
Demon Soldier
Demon Trainee
- Rank of Classes -
*Other unmentioned classes are hidden classes like berserkers, paladin, witch, assassin and etc.
~Offensive Melee classes~
*Sword users
-Title depending on your skills (ex. Sword of Lightning John or Chilling Blade John)
Grand Swordsman
Master Swordsman
Expert Swordsman
Elite Swordsman
Swordsman
*Dagger users
-Title depending on your skills (ex. Dark Shadow John or Master of Stealth John)
Grand Thief
Master Thief
Expert Thief
Elite Thief
Thief
~Ranged Classes~
*Bow users
-Title depending on your skills (ex. Archer of Winds Jena or Blazing Arrow Jena)
Grand Archer
Master Archer
Expert Archer
Elite Archer
Archer
*Magic users
-Fire, water, wind and earth has the same ranking system, just different elements at the start of their rank
-Title depending on their magic used (ex. Infernal Mage Jena or Frozen Queen Jena)
Grand (chosen element) Wizard
Master (chosen element) Wizard
Expert (chosen element) Wizard
Elite (chosen element) Wizard
(chosen element) Wizard
~Defensive Classes~
*Shield bearers
-Title depending in your skills (ex. Shield of Steel John or Iron Fortress John)
Grand Shield bearer
Master Shield bearer
Expert Shield bearer
Elite Shield bearer
Shield bearer
~Supporting Classes~
-Title depending on your skills (ex. Lightbringer Jena or Healer of Light Jena)
Grand Healer or Priest
Master Healer or Priest
Expert Healer or Priest
Elite Healer or Priest
Healer or Priest
Weekly Power Status
-- Power
Ranking 
-- Power
stone