Escaping the Underverse!--- With Help!

[Sasuke Uchiha]

Yo, someone Sasuke likes gets banished and Sasuke wants to get them out. How would he go about doing so? Does he have to get banished himself or is there some sort of sweet questline thing he could do to help a brother out?

Edit: Not looking for a workaround for the workload needed to get out. I am just looking for another route. Same workload...

[Trixie]

For Sasuke to directly help he'd need to come join us in HFIL. There is no workaround. There is one quest. One goal. One objective. One fighting pit. One Lord of Terror.

[Dark Link]

You wouldn't be able to help them beyond banishing yourself and doing the questline along with them. Being effectively cut off from the rest of the Omniverse is one of the main reasons why the Underverse is so frightening.