You can make your Pet stronger through several different activities:
- Enrolling them in courses at training schools
- Completing Faerie Quests
- Completing Kitchen Quests
- Zapping your Pet at the Lab Ray
- Visiting Coltzan's Shrine
- Spinning wheels
- Scratching off certain symbol combinations on scratchcards
- Using Bottled Faeries on your Pet to help unlock Faerie Abilities