After reaching level 80 on my Elementalist and level 400 on my tailoring discipline, I have no valid reason to roam the lower level maps and gather what is available there, since most material I need for crafting is only available on the few level 80 maps. Also, most gold is to be had there, and not in low-level events in Wayfarer Foothills (which I love. But after 500 copper mined for nothing, I got to wonder …).
So I would like to suggest that ArenaNet introduces new craftable armor and weapons that offer high-level stats while using low-level materials. Stuff like copper-embellished mithril armor, iron-studded darksteel hatchets with oricalcum edge or a coat of many materials named Allerleihrau (it is the title of a Grimm tale where the heroine gets a coat made of all kinds of leather).
The making of such armor and weapons would draw on all tiers of crafting material, making it necessary to visit all areas of the world while not being as single-purposed as leveling up stacks of 250 of something via the mystic forge, which actually lowers the apparent value of the lower status materials.
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