Marquis Vrine's Manor
In the dark of the night, two people can be seen sneaking inside the Manor. With their capabilities, it wasn't hard for them to at least sneak inside and they hid in the garden, using the flowers to hide their bodies
"I can make sure that the guards and servants would not see you. However, you must make sure that the Marquis would be able to see your face" Ryden said quite coldly
Killing the Marchioness is not that hard. Ryden or even just Kervy has the ability to do so
Kervy don't even need Ryden's help to do this. And in fact, that is just an excuse
Clyde's real goal was to let the Marquis that would survive this assassination see that his wife's killer is Kervy
What Clyde wants is simple. By forcing Kervy to kill the Marchioness, he would lose the possibility of joining hands with Marquis and the Duke after the 1st Prince falls