@JeremyECrawford Oozes can be grappled. Does this mean I can prevent a Gelatinous cube from using it's "Engulf" action by grappling them?
— Jolzeres (@Jolzeres) May 3, 2017
If an ability requires you to move 1 or more feet to use it and you can't move, then the ability can't currently be used. #DnD https://t.co/i3sA2TUKEh
— Jeremy Crawford (@JeremyECrawford) May 3, 2017