Considering its the simplest blank he's ever seen, and he's worked with the Nara training blanks which he did multiple of in a day, probably pretty fast.
It's simpler than even our party trick seal?
@Radvic Maybe you should consider add reverse engineering the seal in the morning?
@eaglejarl considering that the info on seal difficulty come very late in the cycle, how likely it is for the trio to consider reverse engineering the seal in their strategic planning?