Here's a simple, but effective pop flash lineup you can use to disrupt Defenders trying to retake the site.
Follow this Trailblazer pathing to enable your teammates taking B Long control. It's not important to try and bite Defenders, you may use it to leap a distance to gain information.
This is a good guiding light to blind enemies playing Mid Boiler and allow you to peak or go under B Tube and take B Site.
This is a good guiding light to blind and swing on rotators that are rotating to A Site.
This is a good trailblazer to concuss your enemies hiding in the corner of A Pipes towards A Site.
This is a good guiding light to blind enemies peaking A Nest from A Site and allow you to swing and get a kill. This is good for getting an entry pick and gaining access to A Site.