Pvp help

So when I try to play pvp it says I need to have/use 1 of each 15 types. Does that mean if I don’t have 1 of the 15 types I can’t participate in pvp? Because I only have 12 and I can’t seem to find any others. Thanks in advance to anyone who helps

You need 15 Arkadions to PvP. And you can’t use any duplicates. If you don’t have 15 Arkadions in your collection yet you won’t be able to.