He's quiet for a moment, perhaps longer than Thranduil might like but Legolas' mind is still reeling. How can he even start to cover over a year of things that have happened? The games and experiments.

"They have the power to change what we think, what we know, force us to submit to their will." Have, not had. He's still wearing their collar after all, he's still connected to the tower. And only the things he had experienced did he recount now.