Why Shadowhunters ended with a series finale twist

TVLine

"We ended it in such a way where it’s up to the imagination now," said co-showrunner Todd Slavkin. "It’s moving in a good direction, but we’re not going to say exactly where it goes." Fellow co-showrunner Darren Swimmer added: "Let the fan fiction begin!" ALSO: Slavkin and Swimmer discuss their Shadowhunters regrets.