[quote=chukklehed]
The sword only has a duration of five posts, and a twenty post cooldown.[/quote]
5 posts worth of killing everyone.

[quote]She can still be disarmed,[/quote]
Which would need someone with higher POW than she is, I would think. 

[quote]or the sword could be unusable(like in a hallway or a cave). Remember that as powerful as the sword is, it's absolutely MASSIVE, which means she has to have a lot of free space to swing it.
[/quote]
At 11 POW, even without the extra boost your char get, everything else give away. No space to swing? Hell, her swing would make a free space.