Playground Kid gives access to aev_fild01 which is the main leveling room. See: Beginner's Guide (leveling guide).
The monsters in the room have drops that are used as ingredients for Pandora.
|Eye of Dullahan||Dullahan|
|Hammer of Blacksmith||Dokebi|
|Soft Silk||Evil Nymph/Wicked Nymph|
Other monsters include Giant Hornet, Leib Olmai, Side Winder, Arc Angeling, Myst Case, and Carat.