In Revelation 9:2, the star uses the key to open the shaft, releasing smoke that darkens the sky—direct continuation of the action.

Revelation 1:20 explains that stars represent angels. The star falling in 9:1 is thus likely a fallen angel, providing interpretive key.

Revelation 8:6-7 begins the first trumpet judgment; this verse opens the fifth trumpet, continuing the sequential trumpet judgments.

In Revelation 20:1, an angel also holds the key to the bottomless pit, but to bind Satan—here a fallen star receives it to open the abyss.

Revelation 8:13 announces three woes; this verse begins the first woe (fifth trumpet), fulfilling that warning.

In Revelation 17:8, the beast rises from the bottomless pit, the same abyss that is opened here by the key.

In Revelation 8:10, a star also falls from heaven — a parallel apocalyptic image, though the earlier star falls on waters and this one receives the abyss key.

Revelation 11:14 marks the end of the second woe — the fifth trumpet (9:1) is the first woe, so this provides chronological context.

Revelation 12:9 describes Satan's fall from heaven; the 'star fallen from heaven' here likely represents the same event.

In Luke 8:31, demons beg Jesus not to send them to the abyss; here the abyss is opened to release demonic locusts—same prison concept.

Luke 10:18 has Jesus seeing Satan fall like lightning — this identifies the fallen star in Revelation 9:1 as Satan, connecting the visions.

Isaiah 14:12 describes Lucifer falling from heaven — an OT parallel to the star falling in Revelation 9:1, often linked to Satan's fall.