This making of will take you through the entire process of creating Rajak - The Gentle Giant
I love cats, Jeff Simpson on ArtStation at https://www.artstation.com/artwork/i-love-cats
Nautilidore by Mavros-Thanatos on DeviantArt
Nharmyth - Creature concept
Creature research - interesting use of an insect style, different from a large amount of creature concepts, has a very natural and organic look to it.
I like this one as the golem seems very old due to it being covered by vines and grass/moss.
Awesome <3 Anubis, Yuriy Chemezov on ArtStation at https://www.artstation.com/artwork/RDy5y
Guild Wars 2 - Creature concept by Kekai Kotaki. This is showing the viewer what the creature should look like and gives them something to work from.
Unlikely Flyers by Rodrigo-Vega on deviantART via cgpin.com