What is the best category to train a deep leviathan pet in wizard101?

In Wizard101, the best category to train a deep leviathan pet is the "Damage" category. Focusing on damage can enhance its offensive capabilities, making it more effective in battles. Additionally, training in this category can help the pet gain useful talents that boost its attack strength, benefiting the overall performance in combat. Balancing damage with a few supportive talents can create a well-rounded pet.