Grimgar

Grimgar (グリムガル, Gurimugaru) is the name of the high fantasy location set in Hai to Gensō no Grimgar. It is unknown to many whether Grimgar is the name of an island, continent, or the entire world.

Tenryuu Mountain Range

 * Is the border between the Kingdom of Arabakia and the frontier.

The Wonder Hole

 * Also known as the Hole of Mysteries and the Hole of Surprises. It is a gigantic tunnel located 1.5 miles north of Lonesome Field Outpost.

Writing
See main article:  Runes (Alphabet) 

Lumiaris (ルミアリス, Rumiarisu) - God of Light

 * Worshiped by Priests and Paladins

Eldritch (エルリヒ, Erurihi) - The White Goddess who is described as a giant wolf

 * Worshiped by Hunters

Skulheill (スカルヘル, Sukaruheru) - Dark God and Ruler of Death

 * Worshiped by Dread Knights

Humans
See main article:  Inhabitants of Grimgar 

Pit Rat

 * These rats are the size of cats and are speedy with extremely tough hair that acts like armor. Considered similar to porcupines. They can curl up into a ball and roll away at a surprising speed. There are many subspecies of pit rat. While they are omnivores they prefer meat and will even target larger animals for food. Unfortunately, pit rat meat is not tasty and their pelts are of practically useless. They are considered vermin.

Horned Mane Dog

 * Similar to wolves as they hunt in packs at night. They also don't generally attack humans.

Horse-Dragons

 * Wildlife that is sold by merchants at the Lonesome Field Outpost.

Deer-Horses

 * Wildlife that is sold by merchants at the Lonesome Field Outpost.

Melruks

 * Large pseudo-chickens that can jump high and have limited flight capability. They also possess a strong kick with their large, scaled talon feet. They can be around the entrance of the Wonder Hole.