oneself; oneself/himself/herself
己のことばかり考える奴は己をも滅ぼす奴だ!
Someone who thinks only of themselves will destroy themselves too!
— 七人の侍 (1954)
己が名誉を取り戻すのだ
Reclaim your honor.
— ロード・オブ・ザ・リング/王の帰還 (2003)
そして己が名を思い出せ
And remember your own name.
— The Garden of Sinners: Paradox Spiral (2008)
己を信じろ!
Believe in yourself!
— ピエロがお前を嘲笑う (2014)
自己暗示武器を持つ事で己を変革しているのか
Is carrying a self-suggestion weapon transforming you?