The Diablo 2 Wiki
The Diablo 2 Wiki archive is available for anyone looking for information on Diablo 2. All information here is pre-D2R but contains a lot of useful information that is still relevant. Updated sections for new D2R features can be found on the PureDiablo Diablo 2 section


From Diablo 2 Wiki

Bone is an Armor Runeword added in the v1.11 patch. It's made from Sol + Um + Um and produces mods specially designed for use by a Necromancer.


Runeword Stats Comments Active In
v1.11+ v1.10 v1.09

Sol (12) + Um (22) + Um (22)
Armor {3}
Clvl Required: 47

15% Chance To Cast level 10 Bone Armor When Struck

15% Chance To Cast level 10 Bone Spear On Striking
+2 To Necromancer Skill Levels
+100-150 To Mana (varies)
All Resistances +30
Damage Reduced By 7

Useful Necromancer bonuses. Yes No No
Bone in a Dusk Shroud.