A jagged obsidian backslasher

It imparts a bonus of +30 more than usual.
It is an enhancive item:
    It provides a boost of 3 to Mug.
    It provides a boost of 10 to Stalking and Hiding Ranks.
    It provides a boost of 10 to Picking Locks Ranks.
    It seems to have almost innumerable enhancive charges remaining.
It will persist after its last enhancive charge has been expended.
It appears to weigh about 6 pounds.
It is estimated to be worth about 104,050,000 silvers.
It is predominantly crafted of obsidian.
It is an overwhelming project (1,099 difficulty) for an adventurer to modify.
The backslasher is a short sword that requires skill in edged weapons to use effectively.