Later in fal dara padan fain a darkfriend that was chasing the group and was possessed by mordeth in shadar logoth during the chase stole mat s dagger and the prized horn of valere.
Healing mat of shadar logoth dagger.
I hesitate to take credit for this theory however as it is actually mat s own theory.
Mordeth mordeth was a mysterious man who inhabited shadar logoth.
Unfortunately he found a number of dark things including the power of mashadar which would ultimately corrupt him and define the rest of his life.
He journeyed with rand perrin verin loial and ingtar first to cairhien where rand had secured the horn until.
This might not be entirely false but not that dark one.
When they hid in shadar logoth he managed to escape the myrddraal only to be trapped by mordeth the ancient spirit which had caused the downfall of aridhol now shadar logoth.
The sheath of the dagger has some adventures in the early books.
The dagger negated mat s luck until the healing which caused his luck to come on full force.
He went in search of many powers including the finn.
Fain with the ruby dagger portrait done by seamas gallagher.
After the failure of that attack he was forced to join the trollocs in the hunt for moiraine damodred and company.
I think the healing got rid of the evil taint but the luck remained.
If mat had not been healed the dagger would have destroyed his soul and even while it was being destroyed the dagger was replacing mat s lack of soul with something else.
Mat is healed of his link to the shadar logoth dagger.
Mat finally traveled to tar valon and the white tower on a litter having been weakened by his long separation from the dagger.
The evil of aridhol to.
Therefore i thought it appropriate to present the clear evidence for mat s luck being caused by the dagger from shadar logoth.
Throughout the series we hear the phrase about the dark ones luck from multiple places even describing mat for a majority of the books.
A healing ceremony there finally cut his ties to the evil of shadar logoth and the dagger was sealed in a locked chest deep in the tower s basements.
Mat cauthon taking the ruby hilted dagger from shadar logoth.
Hurin even before healing.
Egwene nynaeve elayne sheriam siuan and a handful of other aes sedai.
Contents show origins mordeth was originally a good man devoted to destroying the shadow.
Recent history and events.
Mat needed the dagger to sustain himself long enough to have the aes sedai break the curse.
The dagger from shadar logoth warped his ta veren nature in order to protect and fight against the dark ones own luck.
It was the dagger.
After the fall of aridhol the city fell into ruin and by recent times most of the once magnificent buildings were derelict and decayed albeit still retaining a degree of their former grandeur it was a place that was avoided by merchants and travelers whenever possible.
Sheriam takes egwene elayne and nynaeve into a part of the tower that is rarely visited even.
Even siuan even states after the healing that who knows if the dgger will have any permenant effects on him.
Mat identifies his luck was never as good since shadar logoth.