Basic Four

[Garthanos]

XP, sure. Treasure, not so much, parcels are vague and not linked to overcoming challenges as neatly.

Yes. If you're calling back to the treasure-hunting game D&D was.

Giving treasure experience point value is double dipping.. you already can use the gold to buy magic items, rituals, martial practices (martial techniques) and possibly grand master training additionally it can be leveraged to bribe npcs and various other things that empower the hero and enable overcoming of skill challenges....