Kazagg Chah is seen granting the Gem of Shatotto as per Ququruka's instructions to the Warrior of Light. He later assists in fulfilling the prophecies of Ququruka, alongside the ixal Dozol Meloc and the kobold 269th Order Mendicant Da Za. Their grandfathers had assisted the mage in uncovering the secrets of Black Magic a century ago. Later they discover that Ququruka had accidentally transformed his beastmen associates into the voidsent Barbatos, and had been preparing all this time for Barbatos to be laid to rest. Kazagg Chah and the others forgive him for his sins.
After the Book of Thal is stolen, Lalai Lai asks the Warrior of Light to inquire with Kazagg Chah about any unusual guests. Just before arriving, a mysterous black mage had attacked him but was driven off. While searching for the assailant, the Warrior of Light only finds the conjurer Zhai'a Nelhah, whom Kazagg confirms was not the attacker. The Hearer explains he's searchind for Waldeve, a former conjurer who forsook his post to pursue forbidden black magic, creating a cult called "the Defiant" in the process.
Kazagg Chah later assists in the arrest of Waldeve at the Burning Wall, where they must put down his rogue voidsent Barghest.
Kazagg Chah is a male Amalj'aa with scars along his body, he wears a sash around his waist with a headdress and necklace. He wields a horned scepter in battle.
Kazagg is a wise and patient character, and knowledgeable in black magic.