Quest Bugs?

3 Characters having Problems on Quest

1st~
Date: 10/13/10
Character Name: Denaia
Details:
*lvl 7 A Charmed Cube - I also lost the Charmed Cube after opened by NPC Munin. No responce from NPC Derot.
*lvl 14 Fear this - I couldnt cast spells on monsters but the melee attack works. The monsters also dont fight back. I was suppose to kill Black Claw Tribe [Sharpeyes,Warriors & Searchers] and only searcher counts as a point.

2nd~
Date: 10/10/10
Character Name: Emrin
Details:
*lvl 8 Neutralazing Odium - No response from NPC Capt. Tula
*lvl 17 Source of Pollution - The Potion doent work on monster Poisonous Bubblegut

3rd~
Date: I couldnt really tell (one week ago or so)
Charcter Name: Yslvein
Details:
*lvl 9 Where's Rae this time? - No responce from NPC Rae after destroying the 3 controllers.

I couldnt finish all the Quest mentioned above :crying: