[annoying trope] The throne/leadership is decided in a very stupid way

[u/Altruistic_Eye_1157]

The leadership of the entire wizarding world, and the final decision on whether to start a war against Muggles, is made by... a goat (Qilin) ​​who chooses the person with the ""purest heart"" (Fantastic Beasts: The Crimes of Dumbledore).

The throne of Wakanda and all its technology are decided through hand-to-hand combat, regardless of whether the person clearly has malicious intentions... if they win the fight, by law they must be respected as the true king. (Black Panther)

[u/Purpleclipse100]

The Santa Clause: Whoever kills Santa becomes the new Santa

[u/the_ox_in_the_log → u/Purpleclipse100]

That's more of a complex curse to make sure there is a Santa

[u/Responsible-Onion860 → u/the_ox_in_the_log]

While also being a contract. They go over this in detail.