Mist Grand Matron Bow 3 Bow 12 Concentration

Level 12 Concentration Aura When Equipped (varies)
+3 To All Skills
20% Increased Attack Speed
+100% Piercing Attack
+325-375% Enhanced Damage (varies)
+9 To Maximum Damage
20% Bonus to Attack Rating
Adds 3-14 Cold Damage
All Resistances +40
Freeze Target +3
+24 Vitality

Mist is the rune word 'ChamShaelGulThulIth' for Missile weapons in Diablo II: Lord of Destruction.

This rune word provides Concentration aura and can serve as an alternative to Pride. Act I mercenaries can wield it.