More Shadowhunters Terms You Must Know: Volume 3! Check out part three in this helpful series where the cast put together a list of terms that you absolutely must know! Our Shadowhunters are about to bring you up to speed on four key Shadow World terms for all of you newbies out there! Notepads at the ready! Facebook Twitter Watch Again Watch Episode Be sure to check out parts one and two if you missed them! Are there any Shadowhunters terms you struggle with? Let us know and we'll see if we can get the cast to share their wisdom on them!