Isaiah 14:12 How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground, which didst weaken the nations!
Who else but Satan will literally fall from heaven?
Isaiah 14:13 For thou hast said in thine heart, I will ascend into heaven, I will exalt my throne above the stars of God: I will sit also upon the mount of the congregation, in the sides of the north:
Who else but Satan could ascend into heaven like he did in Job?
Isaiah 14:14 I will ascend above the heights of the clouds; I will be like the most High.
Paul wrote that the Antichrist will also seek to do this and whether the AC is Satan or a Satan possessed man it still is a reference to Satan.
Isaiah 14:15 Yet thou shalt be brought down to hell, to the sides of the pit.
Exactly what Rev 20 depicts happening to Satan!
Isaiah 14:16 They that see thee shall narrowly look upon thee, and consider thee, saying, Is this the man that made the earth to tremble, that did shake kingdoms;
Isaiah 14:17 That made the world as a wilderness, and destroyed the cities thereof; that opened not the house of his prisoners?
Satan bound for a thousand years and I can easily imagine people saying this about him!
That's far too many coincidences to just be about some old king of Babylon as all of it exactly pertains to Satan and what is going to happen to him and what he tries to accomplish.
The serpent was in the garden of Eden.
Lucifer was in the garden of Eden.
Satan was the serpent in the garden of Eden.
Satan fell from heaven.
Lucifer fell from heaven.
Satan will be cast into a pit.
Lucifer will be cast into a pit.
So how exactly is Lucifer not Satan?