The devil is "chained" in Rev. 20, but he and his angels were chained in Genesis, according to the common view of Jude v 6.
Ibilisi amefungwa "mnyororo" katika Uf. 20, bali Malaika zake walifungwa minyororo katika Mwanzo, kufutana na kawaida ya kutazama Yuda mst. 6.