They probably know about umbra and are mainly hunting him because sometimes I hear one of them say "is one of them wearing a scarf" and umbra is the only frame I know to wear a scarf
Shik Tal has asthma,breathing problems and probibly smokes on top of that.Cuz i've never seen somone sound like that before.He needs a inhaler or some medicine XD. And if i heard Vem Tabook at the dead of the night i would jump out the window...And Leekter needs...alot of things but mostly therapy.