The HMS 5 Saint Beasts Booster is a Limited Booster pack released in Japan on November 6, 2004 by Takara Tomy.
Similar to Random Booster packs, the HMS 5 Saint Beasts Booster was a limited edition booster pack released that featured special edition Beyblades "Limited Proto Grey" (Japanese: 限定プロトグレー) variants of the A-123 Beyblade Gaia Dragoon MS, A-124 Beyblade Driger MS, A-125 Beyblade Draciel MS, A-131 Beyblade Dranzer MS, and MA-01 Beyblade Dragoon MS Ultimate Version. All featured Beyblades were simple reproductions of their original counterparts, manufactured in the "Proto Grey" color palette and all came included with sticker decal sheets from their original counterparts.
This booster set also includes a "Limited Original Color Version" (Japanese: 限定オリジナルカラーバージョン) of the MA-08 Beyblade Wolborg MS as the "Secret Model" (Japanese: シークレットモデル) Beyblade top featured in the set. The plastic components of this variant were produced using an ice-blue-colored material and comes included with sticker decals in a different color palette than what was included with the regular Wolborg MS.
Due to its nature and contents, the relative reception of this item is unknown. International buyers were able to purchase this booster pack using the the internet and from specialty hobby stores in their country. Nevertheless, buyers had the 1/6 chance of acquiring any of the advertised Beyblades. It's unknown how many of these rare [Wolborg MS] Beyblades were produced, but as of 2020, find one for sale is unlikely and if so, buyers can expect to pay an exorbitant amount.
- "Proto Grey" may be a possible reference to the color of prototype Beyblade models.