'Vikings' season 4 episode 15 recap, episode 16 updates: Series moving on without major character

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"Vikings" has never been a series that was averse to killing off characters, but the turn of events in the recent episode 15, "All His Angels," has shocked a lot of fans.

Fans who have read up on the history of Ragnar Lothbrok (Travis Fimmel) and all the other Viking legends that the character is based on already know the tragic fate of the character, but it was to be seen if "Vikings" creator, writer, and executive producer Michael Hirst would be true to history.

Episode 15 showed the route that Hirst chose to make, and it was shocking to a lot of fans to see the death of the main character of the series.

The good news is that "Vikings" have done really well in setting up Ragnar's sons as his heirs to greatness, and despite the shattered hearts that viewers are trying to mend, these same fans are now rooting for Ragnar's sons and their quests.

Even though Bjorn (Alexander Ludwig) was not given much attention in the past few weeks, episode 16, "Crossings," will see Bjorn's fleet making a surprise attack on a still unknown enemy.

Then, there is the case of Ivar the Boneless (Alex H√łgh), who Ragnar has tasked to avenge his death. However, he comes home to learn that his mother, Aslaug (Alyssa Sutherland), was also murdered by Lagertha (Katheryn Winnick).

The last few seconds of "Vikings" season 4 episode 15 showed another interesting character who will be introduced in the series. The black cloaked figure was shown aboard a longship, with the character noticeably missing his right eye.

There have been some speculations on who the new character will be, and in a report by Inquisitr, it was assumed that the newcomer is, in fact, the All-Father, Odin One-Eye. With Ragnar believing himself a direct descendant of Odin, it is not surprising if the series would show Odin appearing after Ragnar's death.

"Vikings" season 4 episode 16, "Crossings," is scheduled to be released on Wednesday, Jan. 4, 2017, at 9 p.m. ET on the History Channel.