If you need your newly acquired Griffon to be trained as a riding mount, look no further than the heirs of House Vadalis who possess the Mark of Handling.
All tagged Dragonmark
Dragonmarked Houses - House Deneith
Protectors of the realm, Defenders of the powerful, and Marshalls to uphold the code of law. Throughout the history of Eberron, House Deneith has provided a service that the Five Nations of Khorvaire could not do without.
Dragonmarks - Past and Present
Eberron, Rising from the Last War is a fantastic addition to 5th edition, but there is so much history involved in this technologically advanced world, we just had to take a look.