OT-PROPHET.filter - rsv shaft:

rsv@Revelation:9:1 @ And the fifth angel blew his trumpet, and I saw a star fallen from heaven to earth, and he was given the key of the shaft of the bottomless pit;

rsv@Revelation:9:2 @ he opened the shaft of the bottomless pit, and from the shaft rose smoke like the smoke of a great furnace, and the sun and the air were darkened with the smoke from the shaft.