a good an common way to get it over Elde is looking into the old past events and reading Elde's storyline. Getting to know the NPCs is also one of the things that comes with reason the events.
You could also create your own characters and form bonds with specific pets that cater to the needs of your character. Canon or paracanon, nothing is really off limits. You could also use those characters to role play or write fan fiction.
If you want just sit back and collect the pets, there's hundreds if not thousands to choose from, collecting and hoarding is a really large community here. (My hoard of drakes is creeping up on 7 thousand!)
If none of those seem interesting to you, you could make friends on the forum with games! ^w^