[EXCLUSIVE SNEAK PEEK] Check Out Valentine's Terrifying Experiment From Episode Five!

Valentine's Day is just around the corner, so we're bringing you an exclusive scene of one terrifying rogue Shadowhunter doing his thing in episode five.

Valentine is playing a dangerous game.

Experimental human weapons! Runic inscription! Blood samples from Downworlders! Surely this can only lead to devastation? Can our Shadowhunters stop him from destroying their world before it's too late? 

What do you think of Valentine's experiments? Let us know in the comments.

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