Only three upgrades are available in the game and these upgrades are not permanent and need to be reapplied regularly:
Spell Upgrade - Gives a 40% increase to your spell damage.
Hero Upgrade - Makes your hero 60% stronger and more resilient.
Troop Upgrade - Gives you a 30% boost to your morale bar, allowing you to call in reinforcements more rapidly.
Explore the galaxy in the franchise's first open-world game.