User blog comment:Linathan/Squad Spotlight & Guide: Trial EX8 - Genius' Challenge/@comment-28022119-20160729023100

I don't know why but Ensa + Vorpal Chainblades never procs curse on silas and paralysis to Selena and Avant. I did clear it with Ark lead, Felice friend, Juno, Ensa, Azurai and Allanon.