Impasse on Dark Water is a Bonus Quest. You do not need to succeed to complete this quest.
Impasse on Dark Water
"My [lord/lady], our trade ship and that of [Your Friend] have been b-blockaded off King's Landing by pirates. Shall we join forces?"
Quest Duration: 45m
Cunning Alignment QuestShould you select the Cunning option, the following Bonus Quest will activate:
While the [Your Friend's House] ship battles the pirates, [Your Sworn Sword] slips the [Your House] ship safely past and out to sea.
Truthful Alignment QuestShould you select the Truthful option, the following Bonus Quest will activate:
Fighting side by side the House [Your Friend] and House [Your House] ships fend off the pirates and break through the blockade, sailing safely out to sea.
Enter the text upon failure of the quest