Basic Trope: Someone kills their sibling.
- Straight: Alice kills her brother, Bob.
- Exaggerated:
- Alice kills all of her siblings.
- Alice kills her brother, Bob, revives him, then kills him again, over and over.
- Downplayed:
- Alice kills her half-sibling or stepsibling.
- Alice seriously injures Bob, but he survives.
- Alice hires a hitman or assassin to kill Bob.
- Justified:
- Alice has always had an extreme amount of Sibling Rivalry with Bob, so she's getting her final revenge.
- Bob was a Big Brother Bully to Alice who tormented her all her life. She had enough of the abuse.
- Bob tried to kill Alice. Alice was only defending herself.
- Alternatively, Alice is a Big Sister Bully who killed Bob out of sadism.
- Alice wanted to avenge her parents' death after Bob killed them.
- Alice has been jealous of Bob's success and approval of her parents who often ignore her. This frustration grew to the point that Alice decided to murder him.
- Inverted: Alice brings her brother Back from the Dead.
- Subverted: ???
- Double Subverted: ???
- Parodied: ???
- Zig-Zagged: ???
- Averted:
- Alice doesn't kill her sibling(s).
- Alice is an only child, and doesn't even have siblings to begin with.
- Enforced: ???
- Lampshaded: ???
- Invoked: Alice's family has a custom of murdering one's own siblings so as to leave only one possible True King or True Queen, and Alice is simply following the old tradition.
- Exploited: ???
- Defied:
- Carol and Dave decide not to have any more children after Alice's birth specifically because they think the kids will kill each other.
- "You're my brother. I would never kill you no matter what you do."
- Discussed: "Hey Alice. You could kill me right now and nobody would know." "Why would I do that?" (Shrug Of Bob)
- Conversed: ???
- Deconstructed: Alice has to live with the guilt and shame of killing Bob.
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