In the shop, the item "Legendary Grade Unit or Hero Featured Summon Pack" gives you a higher chance to acquire the hero or the unit you desire comparing with "the standard unit or hero summon packs".
Furthermore, after a certain number of summons (purchases), you can increase the guarantee probability for "Legendary Grade Units and Heroes."
- Legendary grade is guaranteed after ** summon(s) : Increased probability with each summon (purchase) made
- Until Legendary grade unit or hero is guaranteed ** summon (s) : Increased probability after summoning a legendary card that isn't the targeted pick-up/summon unit or hero
Please take advantage of the various summon packs in the shop to summon or enhance your desired units and heroes, and enjoy playing Defense Derby!
**Image**
| Legendary grade is guaranteed after ** summon(s) | |
| Until Legendary grade unit or hero is guaranteed ** summon (s) |