Thank you so much for this. Now I know. I'll slowly work towards them.
Also as far as I know the 4000KO weapon skill that gives you faster attacks only appears when you've unlocked the first master sword weapon skill. It was that way on the WiiU so I am assuming the 3DS and Switch is the same.
If you really want to grind it all over again, the Switch port is very nice. It's really the best version of the game. Actually in the Switch port the grind is not as bad as in the WiiU version. They balanced the drops so we get slightly more gold drops. Also you can abuse Ganon mode.
I...
@Vanessa28
For the giant bosses, I think farming the giant boss levels in the beast Ganon mode is a decent way to farm the boss materials. I'm not sure if this is in the 3DS port of the game though. It's also a decent way to earn rupees until you unlock some of the skulltula maps. I've not...