It is a holiday rare. The area, Mogloween (/join mogloween) is only accessible in the weeks leading up to Halloween.
This is no pacific map called 'darkovia'. Darkovia is a name of an area of places in AQWorlds.
Type /join harvest
mythsong
The Pumpkin Sword isn't found, you have to be on AQWorlds for the Halloween (Mogloween in AQWorlds) event. You must be a member to kill the pumpkin that drops the pumpkin stuff. (The pumpkin drops Pumpkin Sword, PumpkinLord, etc.)
Tercessuiotlim (miltonius'/nulgath's area) is not member only
Mogloween is only accessible in the weeks around Halloween. You can get there by either pressing the button in Battleon or typing /join Mogloween in the chat bar.
every skeleton armor that I can think of is either in shadowfall shops or cant be gotten anymore. more are soon to come on halloween.
You need to complete Nythera's quests in the iceland.
There are many different ways to go to a different area on AQWorlds. First, if you know the code for the area, you can type /join <area name> in the chat bar. If you type /join <area> - (#), then you will be able to access the room that you want in the area if it's not already full. Also, you can navigate using the map which is the World icon on the bottom right.
Thumbing through the phone book in your area, you may find Halloween specialty stores. However, some are only open during the Halloween season. At times, these stores are difficult to locate. A trip to www.local.com will help you to find the specialty shops in your area.
No, you can not be invincible in AQWorlds.