Wave 1: You’ll be up against two Lv 21 Colony Krabbles and two Lv 22 Marble Krabbles. Seeing as you’re controlling Reyn for these battles, be sure to make use of his aggro generating abilities to keep Shulk out of danger and make the Marble Krabbles your main priority, choose the party to focus on one at a time.

Wave 2: This time it’s a Lv 23 Baby Armu with three Lv 22 Baby Armus. Wild Swing is useful to gain aggro on all of the enemies and make use of Guard Shift if you find yourself taking too much damage to give Shulk a chance to heal you.

Wave 3: The final wave is a little tougher, you’re up against a Lv 23 Knuckle Bunnit, a Lv 24 Wood Bunnit and a Lv 25 Junk Bunnit who should be your first target. You’ll have to dip into Guard Shift here to be able to withstand some of the damage and if you have a Chain Attack available, consider using it on the Junk Bunnit. Once that one is down, you should have little issue taking out the rest and finishing the Challenge.