Should You Kill Silus?
Kill Silus If You Just Wait Long Enough Without Answering Silus, His Nerve Will Break and He Will Attack You Instead. When You Kill Him, Dagon Will React the...
Do you have to kill silus?
Killing Silus before the quest begins fails the quest, and the Dragonborn is not able to construct the dagger. It also means the Dragonborn will need to reload an earlier save to obtain the Trophy/Achievement for all Daedric artifacts.
Can you get mehrunes razor without killing silus?
Killing Silus before or after doing so is optional. killing Silus is optional but you need to kill him if you want to get the achievement for obtaining all the artifacts, additem doesn't work for that.