Calypso Eranelar speaks like a narrator

[tos1]

When the player won against Calypso Eranelar's army and caught him, he says the sentences something like a narration. It should either the speaker (i.e. Dialogue partner) or text be wrong (unless it's intentional that he calls himself Calypso Eranelar).
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You and your valiant warriors have crushed the army led by the High Bearded Priest Calypso Eranelar!    ^^It is up to you to decide the fate of Calypso Eranelar.
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(Spoiler)
- How to reproduce it/when/why it happens:
Prepare enough soldiers and money, make Calypso Eranelar angry by doing something, fight against his army. Repeat till you win. (Sometimes he runs away after a really long fight. If he ran away, you will have to start the battle all over again.). He says the sentences above "You and your valiant warriors...".

- Game version (and steam or downloaded):
AWoIaF v9.3, Warband v1.174 downloaded