What's the hardest opening to learn-and also play?

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Avatar of The_Saltwater_room

Just curious, cuz me is a green hand:

Feel free to tell me ur whatever opinion! Thx

Avatar of Yu-Miko

maybe oshi no ko OP2

Avatar of 78takethis

Bird opening...? Sicilian...?

Avatar of Yu-Miko

I think the oshi no ko OP2 Fatal, because you need to move a lot your hands. But also depends on the level sometimees