湧く, 涌く: water and so on to spring, gush, well up / 湧く, 涌く: to feel emotions form, such as bravery / 沸く: to be excited / 沸く: to boil / 沸く: (figuratively) to boom

倭寇: (historical) Japanese pirates

若生: a surname / 和光: A city in Saitama Prefecture, Japan

分かれる: to split, to fork, to branch off / 別れる: to separate / passive of 沸く / passive of 湧く

違和感: discomfort

(Kyūshū) to sweep

being half-dried

内戦: civil war / 内線: phone extension

専用: the exclusive use, dedicated

占断: decision by divination; complete possession or occupation / 専断, 擅断: an arbitrary decision