Item Detail Used to level up the moves of a Strike sync pair with an initial potential of 4★. First Time Reward Title Amount Challenge Wallace: Part 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Full-Force Battle! Round 2 Ultra Hard 1 Battle Challenge! Round 2 Ultra Hard 1 Battle Challenge! Round 2 Ultra Hard 1 The Road to Greatness: Part 3 Ultra Hard 1