Context: Shinkouhyou 申公豹 blasts Taikoubou 太公望 with a powerful attack, who retaliates, giving Shinkouyou a little cut in the cheek. Shinkouyou asks his cat to check if Taikoubou survived, and then, after confirming he survived the attack:
yokatta~ よかったー That's a relief.
ha? は？ Hah? (the cat doesn't get why he's relieved the guy he was going to kill is still alive.)
watashi wa umarete go-sen-nen hajimete jibun no chi wo mimashita 私は生まれて五千年初めて自分の血を見ました In the five thousand years [I] have been born [it] is the first time I've seen [my] own blood.
Taikoubou... 太公望･･･ (character name.)
watashi wa kare wo raibaru ni kettei shimasu 私は彼をライバルに決定します I've decided he's [my] rival. (performative verb.)
