Owl
Harry Potter Hogwarts Mystery
Owl has the initial unlock cost of 320 gems, but it has the fastest energy refresh rate of all the pets.
The first skin variation costs 15000 gold coins and it will award you with 1665 Knowledge attribute points upon unlocking.
The second skin variation costs 450 gems and it will award you with 500 Knowledge attribute points upon unlocking.
The third skin variation costs 375 gems and it will award you with 415 Knowledge attribute points upon unlocking.