1. Exit Kelan by south. Enter North Island.
2. You will see a '?' in the northeast corner. Talk to the girl under the tree and she will join your team.
3. In order to get Niss' wand, head to Kama Cave by the lake on North Island, go to the 3rd floor, through the southeast portal. With Niss on battle mode, walk to the tree and collect her wand.
