Use a rotating event exchange to cover a specific promotion-material shortage when its current inventory offers that exact item.
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WHERE & HOW TO FARM
Where to farm
The active event’s exchange shop, for the matching promotion material; earn its currency from the event stage or activity whose reward preview lists that currency.
Event shops can supplement promotion farming, but their stock changes and may not contain the material your Construct needs. Check the profile first, then compare the named item against the active shop. If it matches, earn the shop currency through the event’s repeatable activity and exchange only enough to finish the planned promotion.
An active event and its exchange shop are available.
The Construct profile identifies a promotion material shortage.
The shop explicitly lists that exact material and a way to earn its currency.
Open the Construct’s promotion screen and note the exact missing item and quantity.
Open the current event interface and inspect the exchange shop inventory.
Confirm that the named item is available and note its displayed price and any purchase limit.
Check the event stages or activities for the repeatable source of the shop currency.
Run an activity whose reward preview shows that currency and collect the reward.
Exchange currency for the needed material, respecting any stock limit.
Return to the Construct profile and apply the material or continue farming the remaining shortage.
Farming tips
Compare event currency spending against other items you actually need before purchasing.
If the shop does not list the exact material, preserve currency for useful stock instead of guessing at substitutes.
Repeat, collect and use
Repeat the event currency activity and exchange while the shop remains open, the item remains in stock, and the promotion still needs it. Shop periods and stock are limited; a completed exchange cannot be repeated beyond the displayed limit.
Common mistakes
Assuming an event always sells promotion materials; inspect the current inventory.
Buying a similar but incorrect item; compare the exact name with the profile.
Ignoring purchase limits; check stock remaining before farming more event currency.
When to stop or switch
Stop when the target promotion count is met, the item sells out, or the event’s remaining stock is less valuable than another available target.
The active event’s exchange shop, for the matching promotion material; earn its currency from the event stage or activity whose reward preview lists that currency.
An active event and its exchange shop are available.
The Construct profile identifies a promotion material shortage.
The shop explicitly lists that exact material and a way to earn its currency.
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Related guides
More guides for gathering materials and making progress.
