Hey,

Those are the pricing of the 2 ninjas you asked

Minato Namikaze [Edo Tensei]:

Unlock: 12400 points (522 - 902 rockets) [15663 - 27055 Coupons/Ingots]

3 --> 4: 15500 points (653 - 1127 rockets) [19579 - 33818 Coupons/Ingots]

Total redeemable: 100 {196 - 338 Coupons/Ingots per frag}

Kakashi [Summer]:
Unlock: 2240 Lucky Stars (723 - 815 spins) [14458 - 16291 Coupons/Ingots]
3 --> 4: 2800 Lucky Stars (904 - 1018 spins) [18073 - 20364 Coupons/Ingots]
4 --> 5: 5600 Lucky Stars (1807 - 2036 spins) [36145 - 40727 Coupons/Ingots]

Total redeemable: 200 {181 - 204 Coupons/Ingots per frag}

Thank you~