Good question and you are correct. Within the duration of the Fukurokumaru's Deal, all used ingots and coupons will be accvmulated and will not be reset (Please note that ONLY Coupons used in "Weekly Events" (Hot Topics), "Shop", "Mysterious Cave" and "Battle Armor" will be accountable for "Fukurokumaru's Deals". For example, Coupons used in "Eight Inner Gates", Offer Gifts purchased with Coupons in the Home system to offer to visit Ninja, Coupons used to refresh the Black Market and Coupons used to revive Characters are not accountable for "Fukurokumaru's Deals").

Since the event itself lasts from March 4th to March 17th, it will ac*ulate during that time and you will still get the rewards based on the total Ingots and Coupons you used (with respect to the information about Coupon used above).

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