The ideal adventurers to gather chi are The Occultist (Runecrafting) and The Tengu (Agility), with The Missionary (Prayer) providing duo voyages for chi; koi scales are best gathered by The Architect (Construction) and The Trapper (Hunter). One kaseki is awarded from the Guardians of the World trio missions, and more are available from occasional standard voyages (provided maximum distance has been reached in ports, and The Shield is the focused region).