And the question i think it's obvious, can i play Assault of the Kraken after i won an unopposed challence and while my revealed plot is Focused Offense?
Focused offense vs Assault of the Kraken.
And the question i think it's obvious, can i play Assault of the Kraken after i won an unopposed challence and while my revealed plot is Focused Offense?
You can't. Focussed Offense says You cannot declare more than 1 challenge. Cannot is absolute, and trumps can.
Well, technically you can play the event, but it would be a waste to do so because the plot stops you from ever initiating the additional challenge created by the event.