New Powers As The Plot Demands has these relationships to other tropes:

parents kids shares a parent with:
Ass Pull
parent child
Ass PullDiabolus Ex Machina
''Deus Ex Machina
''Strangled By The Red String
''New Rules As The Plot Demands
''Giant Space Flea From Nowhere
''Shocking Swerve
''Big Lipped Alligator Moment
You'll need to Get Known if you want to add or modify these relationships.