The simple answer to your question, without cheats, is no. The game is specifically scripted to give you Shadowmere once you have completed the Dark Brotherhoods quest related to the horse.
Can you get Shadowmere back?
Shadowmere should become your default horse then and might “respawn” when you fast travel. The only choices are: Shadowmere died. Wait for a few days and go back to the place he died the retrieve him.
Do you get to keep Shadowmere?
Shadowmere is not essential and can die, unlike his counterpart in Oblivion. However, 10 days later, he will respawn at the location of his death. If Shadowmere dies in a river or lake, he will respawn after 10 days in the black pool near the Dark Brotherhood Sanctuary.
Should I kill or save Cicero?
Since you can pickpocket him and receive higher grade gear at the Dawnstar Sanctuary, it is really not lucrative to kill him. If you have completed the quest line for the Dark Brotherhood, and Cicerio is still alive at that point, he will indeed become a Follower.
What happens if you kill Astrid instead of Cicero?
She kills everyone and almost kills you and Cicero. The punishment for breaking the Tenets according to Sithis in Oblivion is expulsion from the Dark Brotherhood or death. This is why you must kill her Cicero is the head of the Dark Brotherhood not her.
What happens if you kill Cicero before joining the Dark Brotherhood?
It should be noted that if Cicero is spared in this quest he will become an available follower for the Dragonborn. If he is killed, his body can be looted for his outfit (the Jester’s Outfit on the table at the entrance is less powerful), some gold and a leveled dagger.
What happens if I killed Shadowmere?
Shadowmere will, however, respawn around ten days later, at the location of death. Shadowmere will not respawn in this location if killed in a body of water. In that case, he will respawn in the pool outside the Falkreath Sanctuary.
Why is Shadowmere so good?
Shadowmere has much higher health than a regular horse and an extremely fast health regeneration, making him far less likely to die than normal horses. If enemies are nearby, Shadowmere will actively attack them. He deals very little damage, but can serve as a useful distraction while the Dragonborn attacks from afar.
Can you marry Cicero?
This mod lets you marry Cicero after you finish the Dark Brotherhood questline. 2.0: You can go through the marriage ceremony with him. He will attend the marriage ceremony and recieve a Bond of Matrimony.
Is there a way to save Astrid in Skyrim?
She asks to be killed with her Blade of Woe, but she can be killed with any weapon. After Astrid’s death, the Dragonborn and the remaining assassins, including Nazir and Babette, move to the Dawnstar Sanctuary, where Cicero fled and can still be found if he was spared.