Now that crime in Star City is practically nonexistent, the former detective could assist in bringing down the crime rate for Batwoman’s Gotham City, since it’s clear the Crows aren’t doing that great a job.
Arrow’s series finale revealed that Quentin Lance was alive and well in the newly minted Earth Prime.
While the character has only ever crossed over to The Flash before, Quentin could find himself back at Central City’s police department, working alongside Captain Joe West.
Naturally, the best option would be for him to show up on Legends of Tomorrow to pay Sara a visit and maybe even get in on the time travel shenanigans.