Something unique about Mage is that it's the only class Dwarves can't use, as in Dragon Age lore, they don't have a connection to the Fade realm and can't channel magic as a result.

Gaming Dragon Age: The Veilguard best class — Mage, Rogue, Warrior, Specializations, and which to choose How-to By Brendan Lowry published 31 October 2024 ...