に拠る[niyoru] by means of
に拠れば[niyoreba] according to (quotation)
依拠[ikyo] dependence
拠る[yoru] to be due to
割拠[kakkyo] holding one's ground

急拠[kyuukyo] hurriedly
拠点[kyoten] position
拠点とする[kyotentosuru] to be based in (a place)
拠点に置く[kyotennioku] to be based in (a place)
群雄割拠[gunyuukakkyo] rivalry of local warlords