DS get it for Ami and she'll love you even more, no risk of meeting her at the doorstep with it in hand! (More chance of that hapening with a different weapon if you don't get it!

)
Plus it means you can go out to the pub knowing she has something to protect herself and the little one should a night raid party be imminant on your fortifications... With the frost damage that thing must have, being an epic weapon and all, they'll be frozen to the spot
I think is more, anyone trying to raid their fortress, will shit in their pants just by looking at it!