ar-baruk the thrall is a huge olog who had been originally sent to kill Shelob after she had killed a warchief orc, but after seeing her beauty in her true form, he turned on his hunting party and killed the rest of the orcs with him, now he is shelobs greatest servant, with webs on him and a spider helmet, with a poison mace that also had webs on it, he could call in poison spiders to his aid, some orcs from the machine tribe had been giving him problems, since they were digging for ores in the cave nearby, you are an elf assassin who was on a recruiting mission and to attack the machine tribe orcs, shelob had sent Ar-baruk to find you and aid you in battle