Making the HELMs and crafts progressive, and coupled to sliciing, dicing, and nuking, makes me think that you are intended to be more rounded in developing your character, and also more self-sufficient (in a concession to solo players.)
For the herb harvester (maybe an alchemist or herbalist in drag), it may be that potions are to be replaced by herbs that can be harvested in the field (or mushrooms, lichens, or mosses in dungeons.) What you can find and harvest, and maybe process into a medicine, is going to depend on your harvesting skill.
PTs are going to look for someone with harvesting skills that can find the stuff in the relevant zone, and for people with smithing skills that can make repairs to the weapons they are using.
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