HK-42
Grievous II
[member="Kyrel Ren"] had gone to Darth Vader's old castle on Mustafar to meet a disciple of the Knights of Ren,and taken HK-42 with him, but the two of them had arrived there before She did, so they had some time for some banter. The two of them may of just been Owner and Droid, but they still needed to know one another better so then when they needed to determine and rely on one another when they were in a combat situation.