Merrix is the grandson of the first Merrix, Son of Arren d'Cannith. He is also the former patriarch's grandnephew. He was an infant when the first warforged were made and is the youngest of the three leaders trying to become the "Great Gorgon." Being the youngest of the three he also has the weakest claim, but his skill makes the other two leaders wary of him. Merrix does not want to be the leader for the sake of personal power; he simply feels that the other two are not strong enough to do a good job of it. He's willing to lead for now, but he'd prefer to be left to his experiments. If he could find someone whom he thought was forceful enough to be taken seriously by the other houses and also willing to give Merrix a voice in house decisions, he'd be happy to hand over the routine politics of leadership.
- Merrix is rumored to have a secret laboratory somewhere underneath Sharn, which supposedly holds one of the last working Creation Forges.
- He has also been creating the psionically enchanced Psiforged.