File:Garm Slime.png

Summary
The image comes directly from the manga and from (image URL:https://vignette.wikia.nocookie.net/tensei-shitara-slime-datta-ken/images/9/90/Garm.png/revision/latest?cb=20150815035938)

Exact provenance unknown; ultimate image copyright by Kodansha USA. A cut from the first season of the anime, That Time I Got Reincarnated into a Slime.