Things to create

Train system from Joriah to Yne, magic base

Skyports in Joriah and thenatere, zepplins using aetherstone

Blood bank, they can donate blood/HP for gold

Disease area in Riadin, have to roll every morning they're in that vicinity

Half orc tutor with tattoos that works at the school or library, always has flowers at his desk from his garden at home

Twin NPCs that are both travelling merchants that hate each other

Elf raised by goliaths

Hag Hydra

Bridge of teeth

Jack as a cryptid fairy story/royalty

Volcano on Folitera

Gold and platinun mine in thenatere

Lots of gem mines in joriah, including attached to the city

Medicament

Tavern with a built in aquarium (2 minute tabletop)

A Royal Hoot - inn with an owlbear pet, selling owlbear feather and claw jewellery

Kenku professor - Crowfesser

Fire genasi artificer that bakes their spells

Eldritch knight fighter that pulls weapons from tattoos

Bootleg item merchant that keeps popping up that has never seen you before, off brand potion of healing that is just 1d4, bootlegs of striding, adds 10 feet to your movement, potion of fire resilience that gives you temporary hit points to that damage type, wand of arcane missile, singular missile, bag of holeding, it has a hole in it, there is a chance that your item has fallen out,

Pet seller with fantasy pets

A pet hydra with only one head