 The Houses use their exclusive access to the powers of dragonmarks to sustain their economic empires that extend far beyond arcane powers of the dragonmarks themselves.The houses can attribute most of their success to their meticulously crafted reputations for standardization and quality that have elevated bearers of dragonmarks with a status that mundane wizards and artificers cannot possibly match.Dragonshards are rock or crystal fragments originating from the three legendary dragons of Eberron's creation myth.