Joshua's cellphone may still be better than whatever Ema Skye may have to offer. The living must recognize who's been sending things over, have you considered that? I recognized the Polonia painting within the Church, but if there weren't other nations around, the poems about England and Poland's sacrifice could've easily been missed. The gun and the emerald were difficult to identify, for instance, but one of them were yours, correct mister Wayne? If Joshua gives up his phone, Beat should be able to connect the dots and draw the right conclusion. It seems like miss Kanaya and Prussia are set on their decisions, but again, I personally don't believe the impact will be the same unless living prey can understand these links on a personal level.

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Granted, it may not make a difference in the end, but it's still something to consider, in my opinion.