Only Bronze and Silver characters are allowed.
This battle will likely take level 40+ normal silver cards at minimum, unless you have good gear. It would be very difficult for normal cards to win the last few matches, however.
Match 1[]
Credits: 375
Match 2[]
Credits: 405
Match 3[]
Challenge: Regeneration! (~0.8% maximum health restored for the whole enemy team per second)
Credits:
Match 4[]
Credits: 465
Match 5[]
Credits: 495
Match 6[]
Challenge: Radiation! (You lost ~0.8% health every second)
Credits: 6,525
Match 7[]
Credits: 555
Match 8[]
Credits: 585
Match 9[]
Challenge: Countdown! (You only have 2 minutes to defeat your opponents)
Credits: 615
This match awards 3 energy cards.
Match 10[]
Credits: 645
Match 11[]
Credits: 675
Match 12[]
Challenge: Chaos!
Credits: 705