Tier 4 EX Pack: 1 HR & SSR or higher per pack with a chance of exclusive SPs - Better Hits than All Other Packs! Kayou Sealed Products: Tier 1 Boxes: 36 Packs with NO Guaranteed Hits Tier 2 Boxes: 30 Packs with 1 SR or higher per pack Tier 2.5 Boxes: 50 Packs with 1 SR or higher per pack Tier 3 Boxes: 20 Packs with 1 TR or higher per pack Tier 4 Boxes: 18 Packs with 1 HR & SSR or higher per pack Tier 3 Blister Pack: 1 LR & 4 Packs with 1 TR or higher per pack Tier 4 Blister Pack: 1 LR & 4 Packs with 1 HR & SSR or higher per pack Difference in Rarities: Standard cards from least to most rare: R, SR, SSR, TR/HR, TGR, ZR, UR, OR, AR, SLR, SP, CP, GP, MR, CR, NR, BP, SE All Promotional Rarities: LR ,20th ,SCR ,PR ,BR ,SV, NRSS-SSR, NRSS-HR, NRSS-UR, NRSS-OR, NRSS-AR, NRSS-SV, NRSS-SE Note: All Kayou Products are officially licensed in China. Naruto Kayou singles with "T4W3, T2W1, Youth Scroll, etc." in the title represents where the card was first introduced. Some cards can be pulled in multiple ways and some cards are limited and can no longer be pulled.