it is on white isle
At Cheeky on Vine Isle~ Elfhorse at Pinto [ of horse isle ]
I believe its a treat you need for a quest. Not completely sure c:
You'll need to finish Silver Marys quest before being able to get to Aesop isle.
To complete MrGreenGeltSan's Scavenger Hunt Quest in Horse Isle 2, you need to find and collect specific items scattered throughout the game world. Pay attention to the clues provided by MrGreenGeltSan to locate these items efficiently. Once you've gathered all the required scavenger hunt items, return to him to complete the quest and receive your rewards. Make sure to explore various areas, as some items may be hidden in less obvious locations.
Take the boat from Scoria isle :) (to get to scoria isle you need to finish Argus Beesty's delivery and then after finishing that quest talk to Argus and he will teleport you there)
Talk to Temperance in Treeton, do her quest if you haven't already, She sends you to Mare Isle, then dig the the top right corner where it comes in.
For the horse isle answer it is fast
To complete Rafiki's Horrible Terrible Muddy Secret quest on Horse Isle, first, visit Rafiki to receive the quest details. You'll need to gather specific items, usually involving searching in muddy areas or interacting with certain animals. Follow the quest markers and collect the required items, then return to Rafiki to complete the task and receive your rewards. Make sure to check your inventory and map for any hints that may help you progress.
Elowyn is Aislin's horse, on Cloud Isle. To start the quest "Elowyn's Feathers", simply talk to Aislin.
Horse Isle quest answer: Macbeth
The answer to this question, and all other Horse Isle 2 questions, can be answered during game play by selecting the 'help' option. There is always someone available to answer your questions.