>強かろうが関係ねぇ
So the "I don't give a" part is fine for 関係ねぇ but he Sena say
>この人ー 強い
So like there's a clear refrain here. So they translated the 強い as skills so Lanz should say
>I don't care if this guys has skills
Or something like that. There's no reason to make up a turn of phrase that can break immersion because..