Illusion

Illusion (幻想) is a goddess in the Goblin Slayer world, usually paired with a male god named Truth in their dice games to influence the fates of adventurers.

Appearance
Illusion takes on the appearance of a small girl.

Personality
With an apparent lively personality, Illusion takes great delight at arranging dungeons, quests and adventures for adventurers to face.

Goblin Slayer Volume 1
Illusion is playing dice that represent Priestess and her companions fates. Seeing the results she is disappointed at the adventure. Readying another roll for new adventurers she notice that Goblin Slayer has come to intervene.