hit mana leech and hit life leech.

[Dexter-LoM]

Demise = if weapon has 40% then you get a 40% chance of leeching a set ammount.

Osi = if weapon has 10 to max % you leech 100% of the time a random amount each successful hit.

I don't always believe uoguide but they have the formula pretty close if not perfect I beleive.

http://www.uoguide.com/Hit_Mana_Leech

 

[Bama]

August 2009
http://www.uogamers.com/community/index.php?threads/415952/

August 2006
http://www.uoguide.com/Publish_42