- They last indefinitely. I'm fine with imposing a time limit, though, or cutting the Gates altogether. - There can only be one at a time. - They are only accessible to the wielder of the Dream Nail, which is the Knight in this case. If someone else got a hold of it they'd be able to use the Gate, but the Knight has no intentions of giving it to someone else and it doesn't drop items when it dies.
no subject
- They last indefinitely. I'm fine with imposing a time limit, though, or cutting the Gates altogether.
- There can only be one at a time.
- They are only accessible to the wielder of the Dream Nail, which is the Knight in this case. If someone else got a hold of it they'd be able to use the Gate, but the Knight has no intentions of giving it to someone else and it doesn't drop items when it dies.