RAW, nothing prevents a simulacrum from casting magic jar. That being said, there is nothing mechanically that would prevent a simulacrum with a 6th level slot from casting magic jar on itself.
Can you cast magic jar on someone else?
You can use magic jar to get into the body of your friend, then cast the spell, finally go back to your own body. The method has various disadvantages, although it can work: Magic jar is a lvl6 spell.
Does simulacrum have a soul?
So, if your PC is trying to posses the body of a simulacrum, I would allow it. But, if a simulacrum is trying to cast a magic jar spell and posses something else, then no, it does not have a soul therefore it can not posses another creature.
Does a simulacrum have a soul?
Can a simulacrum be healed?
If the simulacrum is damaged, you can repair it in an alchemical laboratory, using rare herbs and minerals worth 100 gp per hit point it regains. The simulacrum lasts until it drops to 0 hit points, at which point it reverts to snow and melts instantly.
How to make a Magic Jar last indefinitely?
Have Simulacrum cast Wish to make the effect of that Magic Jar spell unable to be dispelled by anyone except you. Unless you have a dick DM, your Magic Jar now lasts indefinitely and without risk of it being dispelled. Repeat process another day to make it immune to Antimagic Field.
How do you swap body in Magic Jar?
5 – Position the humanoid body more than 100 ft away from the first container; 6 – Destroy the first container, ending the first casting of Magic Jar; a) The humanoid souls can’t return to its body and he dies; b) Your soul must return to your original body or you die; c) Your soul is already is in your original body, you live.
How tall can you get in the Magic Jar?
The rule is to prevent the same spells from stacking… so you can’t enlarge from 5 feet to 10 feet and then again from 10 feet to 20 feet, but if something different than the enlarge spell affected you and then you cast enlarge you could be 20 feet.
Can a person be possessed by a Magic Jar?
You can attempt to possess any humanoid within 100 feet of you that you can see (creatures warded by a protection from evil and good or magic circle spell can’t be possessed). The target must make a Charisma saving throw. On a failure, your soul moves into the target’s body, and the target’s soul becomes trapped in the container.
