Troll bane proc comes from a weapon, the title troll bane comes from killing trulle.

Most rogue twinks use 3 skill (aimed, pierce, packs) dev bow, anc pot helm/armor, power ring/winter star/elon celerity/ens pot? tarlok amulet and a mana pet (dova/glacian etc. Not 100% on the rings but thats what I'd go for.