An unemphatic ending, as I understand it, is a deliberate anticlimax, an idyllic, or elegiac, or philosophic last act, following upon a penultimate act of very much higher tension.

His double endings are sufficient proof.

The spondaic ending which made the line linger, usually over some word of emotional content, (l. 158): At levis ille deus, cui semper ad ulciscendum was to Cicero the earmark of this style.

But if the mention of God the Son is made near the end of the collect, the ending is Qui tecum vivit et regnal, e.g., "Famulorum tuorum, quaesumus, Domine....