"Fear, stupid man-thing. We make better. Improve-improve. Pain-pain. But, better-better!"
- —Tichit, Master Moulder[1b]

Most Master Moulders often bear the stigmata of mutation, a common consequence of their craft.
A Master Moulder is a senior-ranking member of the Skaven Clan Moulder, a rank just above the more common Packmasters, but below the great Master Mutators. Master Moulders are expert fleshmoulders and are responsible for creating and breeding many of Clan Moulder's most savage mutant monstrosities.
Role[]
The things created by these sadistic ratmen within Clan Moulder's laboratories frighten even the powerful Grey Seers. Nothing is sacred to these vile Skaven. They blend the parts of hundreds of creatures to create something bigger, better, and stronger, a horror that will safeguard Clan Moulder's place at the top of the Under-Empire's cruel, militaristic hierarchy.[1a][1b]
Through the techniques of fleshmoulding, these Master Moulders create a menagerie of deadly creatures. Ever evolving, this process involves a combination of surgery and exposure to warpstone energy to create something new and terrifying. Trained in flesh-shaping techniques passed down generation after generation, they are responsible for the existence of Giant Rats, Rat Ogres, and any number of other abominations.[1a][1b]
These burly commanders often personally lead their beasts to battle to better inspect the performance of both pack and Packmaster. Master Moulders instill great control and discipline in a pack, largely on account of their ability to cause even more severe pain. Many Master Moulders bear unique (if not downright horrific) tools of their trade, such as the "things-catcher" -- a wicked-looking prod with a mechanical grabber.[2a]
Notable Master Moulders[]
- Skree - Skree was the warthog-like Master Moulder who headed an expedition to Under-Middenheim, interested in the Werecreatures that lived there.
- Wrakrennch - Wrakrennch was a Skaven who actually hailed from Clan Gritus. This calls the status of his being a Master Moulder into question, as he was not trained by Clan Moulder. However, he is highly intelligent, and possesses comparable skills and knowledge to the those of the Master Moulders of Clan Moulders gleaned from those Packmasters and Beastmasters. Such is his knowledge that if Clan Moulder knew the true extent of it, they would see him destroyed.
- Grootose - Grootose was one of the oldest Master Moulders serving Clan Mors. Grootose was brutal and to the point, two traits that endeared him to Queek Headtaker of Clan Mors.