Esslings are skeletal rat-like creatures that were released with the Runespan update, and also roam around said plane. They were seen during the See The Future preview of the Runespan. They are imbued with energy of low level runes and are found on all levels of Runespan.
There are five known types of esslings:
Air essling • Mind essling • Water essling • Earth essling • Fire essling • Body esshound • Cosmic esshound • Chaos esshound • Astral esshound • Nature esshound • Law esshound • Death esswraith • Blood esswraith • Soul esswraith
Floating essence • Cyclone • Mind storm • Water pool • Rock fragment • Fireball • Vine • Fleshy growth • Fire storm • Chaotic cloud • Nebula • Shifter • Jumper • Skulls • Blood pool • Bloody skulls • Living soul • Undead soul