can you farm kings fall encounters for Zaouli’s Bane or only loot once per week?

[tulip escarp]

can you farm kings fall encounters for Zaouli’s Bane or only loot once per week? If you can farm it, is there a best way to farm it? Looking to get it craft able and use deepsight harmonizers on it if needed

[prisma oxide]

if its rotator u can farm, else once a week

[steep chasm]

You can farm pantheon for it