Tap the "Drill Camp" button at the bottom left of your main Hero screen.
Go to the Level Resets tab.
Select and reset all your leveled heroes one by one from there to reclaim your spent XP manuals and resources.
2. Level Up Your Top 5 Favorite Heroes:
Use your available Hero XP to evenly level up your 5 favorite heroes (for example: Margot, Quinn, Jabel, Howard, and Rosa) until they reach around Level 70.
3. Fill the Drill Camp Slots & Strategy:
Place Remaining Heroes in Slots: Put all your remaining heroes into the available Drill Camp slots. Since there are not enough slots for everyone, leave a few out for now (for example: Eric, Jaeger, Fahd, Helga or Alcar if they have only very few stars).
How Level Sync Works: The heroes placed inside the Drill Camp will now automatically match the level of your lowest hero among your top 5 leveled favorites.
Important Note on the Top 5 Heroes: Afterward, it doesn't matter who those 5 specific heroes are. Only the final level matters - it makes no difference whether a hero gets their level automatically through the Drill Camp or manually with Hero XP.
Future Leveling Strategy: Moving forward, only level up your top 5 favorite heroes evenly until you reach the maximum level of 80. Once you hit max level, you can start leveling up your other heroes manually one by one.