'Shadowhunters' season 3 episode 16 spoilers: Magnus battles for his life, as Clary summons an evil entity

The plot synopsis says an old friend might pay a visit to our favorite Shadowhunters, but there's a high chance this friend is actually a deadly foe!

This article contains spoilers for 'Shadowhunters' season 3B.

The upcoming episode of 'Shadowhunters' season 3B, that is episode 16, will be one of the most emotionally touching ones for Malec fans, and that's saying something because Malec has been through a lot over the past three years. Almost as if bearing the brunt of being one of the only openly gay couples in the shadowhunters community wasn't enough, the upcoming episode - true to its title 'Stay with Me' - will show the couple, that is Magnus Bane and Alec Lightwood, go through trying times as Magnus fights for his life.

In the last episode (episode 15: 'To the Night Children'), we saw Magnus (Harry Shum Jr.) and Alec (Matthew Daddario) trying to adjust to the two of them moving into the shadowhunters' New York Institute, as Magnus gave up his old apartment in exchange for his magical powers. But while he might have regained those powers, they are still not his original magical powers. In that, the newly transfused magic in him isn't the old magic he possessed, and that proves to be near fatal for the former High Warlock of Brooklyn. Right at the end of the episode, we see Magnus in pain and torment owing to these new magical powers acting up within his system, something that lands him in intensive care - as the trailer for the upcoming episode suggests.

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