Nice map... I like your police characters wich gives the "Norse atmosphere".
I also like your glacier wich seems to have the unatural and creepy shape of a cauldron hag.
May I suggest you to enlarge your "ice sea" ?
I wonder what the look it shoul have if it overwhelms the Conal-Kensi Gulf (till the smal island).
Perhaps you also could the permafrost limits by adding a white shade filter layer on the sea.
And for tremendous perils of journey, a volcano and a geyser's field (ouch, I'm telling all my "Grand Nord Fantasmes" )
As in this example (sorry to modify your map... Just to show you, not to correct)
What do you think about ?