Tick anything you already have, in any order. Quests unlock once this is done.
2H to 6B covers everything. A kneaded eraser lifts graphite rather than smearing it, which is what makes highlights possible instead of grey smudges.
One thing left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Draw basic shapes and shade them