Elemental

Elementals (エレメンタル) are spirits affiliated with the various incarnations of nature from YGGDRASIL.

Background
So far the series have established that elementals are categorized with earth, water, wind, and fire. Though there are a few other elementals whose element is not defined:


 * Primal Fire Elemental
 * Primal Air Elemental
 * Primal Water Elemental
 * Primal Earth Elemental
 * Primal Star Elemental
 * Swamp Elemental

Appearance
Elemental resemble their elemental alignments.

Abilities
Elementals are spirit type monsters whose powers vary depending on the elemental alignment and rank. Tier Magic can be used to summon these spirits, a 1st tier spell is able to call upon a Lesser Elemental though they can only exist for a short time. .

The most powerful ranked elementals are the Primal Elementals. In terms of power, evidence shows that they are between the levels of 85 to 90. Primal Elementals were highly resistant to negative ailment attacks from undead.

Trivia

 * The Staff of Ainz Ooal Gown is able to summon high-ranking elemental of earth, water, wind and fire.
 * In the Overlord Web Novel, elementals along with demons and devils appeared more frequently in the Great Tomb of Nazarick than summons.
 * In Overlord: The Undead Oh!, it's revealed that there is a the racial change item called Resource Fragment that can allow a being to turn into a Half-Elemental.