読み物
No — keep it.
It is needed for a known use. Finish that first.
The most direct way to get Answer from Lunka: Father is through Letters to Lunka.
Quest or activity
Follow the linked quest. The source confirms acquisition during the quest, but does not identify a specific objective or say it is awarded when the whole quest ends.
Follow the mapped pickup or quest source first; it is the most predictable route currently listed.
The most direct way to get Answer from Lunka: Father is through Letters to Lunka.
簡単な答え
閲覧できる資料アイテム
アイテム判断ガイド
No — keep it.
It is needed for a known use. Finish that first.
用途は？
Follow the linked quest, recipe, skill, or other use before deciding what to do with it.
用途を見る →売っても大丈夫？
It is needed for a known use. Finish that first.
もう1つ入手できる？
Use the confirmed quest, shop, crafting, or fixed pickup route below.
参照アイテム
サンザニが書き記し、届けてくれたもの。