Chop sticks. Honestly the easiest way to eat noodles.
There’s not a lot to say about a Wok, you can buy them almost anywhere that sells kitchen utensils and it will be essential for your Korean cooking.
Dolsot are the stone pots used for Bibimbap, while they aren’t essential your rice will get a lovely crispy edge to it by being heated and served in a stone pot. These pots get very hot so it’s well worth buying one that comes with a wooden tray, or purchasing one separately