Location: Removed from AQ, used to be accessible from Lolosia

Kysapoo: Hiya you! Welcome to Fairwind Puddle, a well found by legendary Guardian MoonCalled! If you touch the well you will be transported to a place where there are many treasures to find! But beware -- those treasures are guarded!

Clicking the stone took you to a battle.

BATTLE POSSIBILITY 1 (One of the following)
Animal Box (2)
Animal Box (50)
Creech
Gargel
Gnarl
Grimweld - Warrior Trainer
Mud Golem
Night Terror
Potion Treasure Chest
Seed Spitter
Skeeter
Swamp Trog
The Bloatt
WereBat
Worm Knight
Zeel

BATTLE POSSIBILITY 2 (One of the following)
Adalon
Bright Sunray
Dark Knight
Draegan Avenger
Light Sentinel
LightZard
Neberon - Mage Trainer
Prismix
Sphinx
Stragath's Head
Sun-Eater
Thrachee
Tiny Treasure Chest
Wasp Swarm

You go back to Lolosia

Source

Suikoman444, http://forums2.battleon.com/f/tm.asp?m=3725015