Originally Posted by
IronMonkey
As I recall from what Cinco, the Creative Director of this game, said, the pets play a role in the development of the story line of Arcane Legends. That's why we call them companions, they accompany us in our adventures from the day they were young. The most fitting suggestion would be, to make them look like they actually grow. Say, a Loki, which at lvl 31 looks the same from its lvl 1 status. They should make it look more ferocious when Loki levels up.
P.S. To have an attachment of pets is not a weird feeling, ask your neighbor next door.