Balaur by Chaos-Draco.deviantart.com on @DeviantArt
Ivashko too walked and walked, and met the three-headed dragon; The Three Kingdoms - Myths and Legends of Russia by Aleksandr Afana’ev, 2009
Green Dragon, Brett MacDonald on ArtStation at https://www.artstation.com/artwork/egq1D
Crazy Cryosphere: Record Low Sea Ice, An Overheated Arctic, and a Snowbound Eurasia | Category 6™
Artist: Asaba aka kakotomirai - Title: 30 - Card: Unknown
Basilisk - a small serpent able to liquefy flesh with its touch.
Knight, JeongSeok Lee on ArtStation at https://www.artstation.com/artwork/Ayl4W
Introduccion a la mitologia Creando nuestro propio monstruo
Hydra monster by ~velinov on deviantART
This is beautifully done. But the chains around the necks make me angry...