The pentameter should ideally end with a disyllable. And a connecting ‘’et’ would help show that the pentameter is a continuation, not an explanation, of the hexameter.
Perhaps:
Illud non moritur quodnam usque exstare videtur,
tempore et insolito, Mors, licet ipse cadas.
The pentameter should ideally end with a disyllable. And a connecting ‘’et’ would help show that the pentameter is a continuation, not an explanation, of the hexameter.
Perhaps:
Illud non moritur quodnam usque exstare videtur,
tempore et insolito, Mors, licet ipse cadas.