they are the "ultimate weapons" and their bad stats can be removed. As for a scythe Quake scythe but it is earth elemental so it wont work against some enemies including gabriel celeste and ethereal queen. --- "Hey would you say i became a hero?"-Zack Fair
I'm pretty sure you cannot remove them. As for the negative stats, you can usually find something that counters it, Example, Conqueror Scythe "Asura Vajra has a -1999 Defense Penalty, It goes for 1.2m Fol. As for the Battle Armor, It adds 4999 Defense, and you can net that for 800k Fol.
--- XBL Gamertag: Irreparable. Currently Playing: Star Ocean: The Last Hope