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Strength is the rune word 'AmnTir' for melee weapons in Diablo II: Lord of Destruction.

The damage Strength offers is quite low (compared to what one can find/make at around level 25), but the fairly large amount of Crushing Blow is always useful, and the other attributes are generally useful for melee characters as well.

35% Enhanced Damage
+25% Chance Of Crushing Blow
7% Life Stolen Per Hit
+2 To Mana After Each Kill
+20 To Strength
+10 To Vitality