Strengthen before the fight
Merge matching pets, improve your Fossil bonuses, and invest in the Tec upgrades that support your current team before entering a boss challenge.
Watch the encounter
Boss battles are a test of your current team strength. Use the result to decide whether pet power, resources, or long-term upgrades are the next priority.
Push toward bigger rewards
As your lineup improves, return to tougher boss waves and keep building the resources that support your next stage push.