乃至 （ナイシ） from ... to, between ... and, or

乃公 （ダイコウ） I, me

乃公出でずんば （ダイコウイデズンバ） what will happen to everyone else if I am not the one who goes?

【ノ】 （indicates possessive, nominalizes verbs and adjectives, substitutes for "ga" in subordinate phrases, indicates a confident conclusion, indicates emotional emphasis, indicates question）

乃 （ノ） 's, of, belonging to

【の】 （indicates possessive, nominalizes verbs and adjectives, substitutes for "ga" in subordinate phrases, indicates a confident conclusion, indicates emotional emphasis, indicates question）

乃 （の） 's, of, belonging to

即ち （すなわち） that is (to say), namely, i.e., precisely, exactly, just, nothing but, neither more nor less, (and) then