Greyleaf's Quest
From Eacceleration T4c
You can find Greyleaf the Daemon Tree east of the Tarantulas Pond. To get him to talk to you, you must have a green gemstone of the forest spirit (Which you can buy from Elysana Blackrose for 20.000 Gold Pieces by saying "Green Gemstone"). Say "Useful" and he will ask for a pouch of Woody Nightshade and Black Snakeroot. Consult the item chart to find more info about what monsters drop these. When you gather the ingredients, take them to Greyleaf and say "Useful" and then:
1st way: Say "Yes" and you will be rewarded with 4.500 Experience Points and a Bloodstone Ring.
2nd way: Say "No" then "Yes" and you will be rewarded with 3.500 Experience Points and a Ethereal Amulet.
Note: You can do this quest as many times as you want
NPCs involved: Greyleaf the Demon Tree, Elysana Blackrose (not necessarily)
Quest Reward Synopsis: 4.500 Experience Points, Bloodstone Ring (30 Int, 18 Wis) or 3.500 Experience Points, Ethereal Amulet (75 Int, 55 Wis)