Power Suit

Experience Collar is the tentative name of a magic item owned by Ainz Ooal Gown that can enhances one's experience and level up.

Description
The Lizardmen were given these items to allow them to level up at a higher rate. Ainz used one himself during his battle with Foresight

Appearance
A leather collar, with a chain, broken halfway down, dangling from it.

Abilities
An item that can allow the wearer to earn a higher rate of experience points.

Trivia

 * The item is never properly named at its introduction, but its effects and purpose are implied in Volume 7 and Volume 10.