It was messy the moment Vader found out Luke was his son. Taking him from Bespin had been impulsive. Bringing him here had been spiteful, risky, and sentimental. Traveling to Padmé's tomb was entirely for Vader's benefit.

But the Force is whispering, something exists beyond this, a chance at something, less a message and more a driving need to continue crawling forward towards something Vader couldn't understand, could barely catch a sense of. But keeping Luke from Palpatine was right, he could feel that.

"We will go were the Force leads."