A slender lance with a spiral shaft is here.
Modifies hp by 20 continuous.
Modifies mana by 40 continuous.
Modifies moves by 60 continuous.
Damage is 17 to 49.
At first glance, more of a curiosity than anything else, this weapon can readily be enchanted to +6/+6 very easily (and probably a fair bit higher with some luck), and can also be runed to either increase the damage, or add up to -15ac.
See individual mob pages linked above for more information.
No walking route.
Portaling point suggested: None.