Shay then makes his way back to his ship , and arrives as Haytham overpowers Achilles .
As the four try to escape , Shay and Liam duel on the ice , and Liam is fatally injured when the two fall .
Shay then makes Shay 's way back to his ship , and arrives as Haytham overpowers Achilles .
As the four try to escape , Shay and Liam duel on the ice , and Liam is fatally injured when the two fall .