What do Underfoot NPC's care about that armor? They only care about stuff made in the Underfoot.

No visible armor in underfoot requires previous visible armor of any kind, not even within underfoot, in order to create it. It is all independent. You don't need T6 to T7, you don't need T7 for T8, you don't need T8 for T8... so no reason to need T5 for T6. All visible armor within the underfoot is an independent creation.



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