See that picture of Han Solo there?
If Darth Vader had his way, that's how Luke would have looked at the end of Empire Strikes Back.
Don't agree?

Vader made it clear that freezing Solo was a test run for the carbon freezing of Luke for his journey to the Emperor. But this begs a deeper question.

Why would Darth Vader, Anakin Skywalker, feel the need to carbon freeze his son?
Was it because he saw Luke as a great threat? Was it for ease of movement?
Was it perhaps because Anakin knew that Luke would try to sway him back to the good side, and he didn't trust himself to resist.

With reflection, the decision of Vader to freeze Luke seems strange. Was it an order from the Emperor himself? Upon thawing out, would Luke have been so disorientated that he would have been more susceptible to Palpatine's dark influence?
Or was Vader planning something himself? Take Luke away, train him to fight alongside him and together, take out Palpatine and do exactly as he offered Luke on the gantry - "Rule the galaxy as father and son."

Luke was of great importance, to the Jedi cause as well as to the Sith cause, but what was the real reason behind freezing him?