The realms of Ethera are magical and vibrant. But they can also be unpredictable and filled to the brim with stinky harpies, creepy kelpies and obnoxious gargoyles. For Zwindial – an ancient wyvern with deadly venom – and Rowan Pathfinder – a faun herbalist wanting to cure an ill friend – their wanderings lead them to the unfortunate corners of their world and must use their wits to survive them.