According to Matt. 4:8-10:
Again, the devil took him to a very high mountain and showed him all the kingdoms of the world and their glory. And he said to him, "All these I will give you, if you will fall down and worship me." Then Jesus said to him, "Be gone, Satan! For it is written, 'You shall worship the Lord your God and him only shall you serve.'"
Imagine if Christ had bent his knee to the devil. Imagine if our Lord had bowed his heart to Satan, pledging an oath of fealty, not to his Father but now to the Adversary.
Nothing would have delighted Old Scratch more than to see Christ strike out on his own path, the autonomous God-man, away from the love of his Father, in rebellion against his Father.
Moreover, Christ would've ultimately paid homage to Lucifer, for how can one take up arms against God without at the same time acknowledging the Archfiend in his insurrection against God was "right" (exchanging the truth for a lie)? Or perhaps, would it not have been logical for the defiant insurrectionists to join arms and forces under a single leader (e.g. to avoid divide and conquer)? In any case, I expect the Father of lies, the first apostate, would welcome all other subsequent liars and apostates as their Prince of Darkness and the god of this world.
However, if this had actually happened, what would've transpired next? The Godhead would have been divided. As such, I imagine the whole of creation would've collapsed. Surely "he [who] upholds the universe by the word of his power" (Heb. 1:3) would do so no more.
If this had occurred, would Satan have won? Yet he would've "won" by destroying all...including himself. It would've been worse than a Pyrrhic victory.
Nevertheless, I suspect this is what he most wants, this is his end-game: the destruction of all things even if it means his own destruction. Some just want to watch the world burn.
Of course, we thank our Lord he never succumbed to sin and rebellion. We thank our Savior who defeated and triumphed over the devil and evil. Still, I don't doubt the deceiver and thief of souls would be more than willing to take a consolation prize or two in destroying the souls of those who turn away from God. Therefore: "Be sober-minded; be watchful. Your adversary the devil prowls around like a roaring lion, seeking someone to devour" (1 Pet. 5:8).