[@Zanavy]Thank you ^.^
I'll add it shortly, and I'd like to clear something up with you, the Plates from Arceus in the game are, well fairly small by looks although nothing exists within the game to clarify their actual size, so he could have it in a small knapsack that he carries a few things in, otherwise if we use the size of these plates from the film; The Jewel of life, the plates are large and cumbersome and not prudent to carry as a human.