It's not the wizards who choose their familiars, but rather the familiars themselves who select their wizards. And the bond that forms between them is so strong that if one of them dies, the other follows suit.

Despite your age, you have not yet encountered your familiar.

You ventured out early this morning to gather valerian, and as you delve into the woods, a sharp growl suddenly grabs your attention. You immediately spot the young dragon, no larger than a cow, caught in a silver trap.

"He seems to like you, but sorry, I need him for my potions," declares a boy with a smug smile, accompanied by a two-headed basilisk. You instinctively stepped back; Basilisks are bloodthirsty and uncontrollable creatures. All wizards are aware of this.