'''Basic Trope''': A villain commits a villainous act that furthers the heroes' goals, allowing the heroes to benefit without getting their own hands dirty.
* '''Straight''': The Super Troper team has subdued Master Destruction, but they know that it's only a matter of time before he escapes his CardboardPrison and wreaks havoc again. Luckily, Emperor Evulz shows up and kills Master Destruction for them.
* '''Exaggerated''': Emperor Evulz appears and takes care of ''any'' uncomfortable act a Super Troper is faced with, from executing super villains to tactfully pointing out that, no, that new cologne really ''isn't'' very flattering.
* '''Downplayed''': The Super Tropers and Emperor Evulz are both fighting Master Destruction, and Evulz happens to be the one to land the killing blow.
* '''Justified''':
** Emperor Evulz considers himself more of an AntiHero and believes it's his job to do what others won't.
** Emperor Evulz may be irredeemably evil [[EvenEvilHasStandards but there are some lines he won't cross.]] Master Destruction, however, not only crosses them but pole vaults over them. He then [[CallingTheOldManOut calls out the heroes on this]] "so you can sleep easy without guilty consciences."
** LawfulEvil Emporer Evulz wants to stop all of the rebels in his nation. Both the ChaoticGood Super Troper and the ChaoticEvil Master Destruction.
** Emperor Evulz just likes to kill people. It doesn't matter if it saves his enemy's life. If anything, that just gives him one more person to kill.
** Evulz likes to think that he is [[TheOnlyOneAllowedToDefeatYou The Only One Allowed To Defeat Him]]
* '''Inverted''': Emperor Evulz likes to think he has [[EvenEvilHasStandards standards]], and as such won't execute and unarmed prisoner. The Super Tropers, on the other hand, are willing to do ''[[PragmaticHero anything]]'' for the greater good.
* '''Subverted''':
** Evulz offers to "take care of" Destruction, and drags him into an alley, loading his weapon. As soon as they're out of sight, he unties Master Destruction.
** Master Destruction's death was actually a ''really bad thing'', because he was either still needed by the good guys, or he was [[HeelFaceDoorSlam about to redeem himself]].
* '''Double Subverted''': ...then he shoots him as he's "trying to escape."
* '''Parodied''': The heroes keep Emperor Evulz's phone number and call him whenever they need someone to ShootTheDog.
* '''Zig Zagged''': Evulz draws his sword and advances on the helpless Destruction. Suddenly, Hero Harry interposes himself between the villains and says this is something he's got to do for himself. He puts a gun to Destruction's head... but he can't bring himself to pull the trigger. Evulz taunts Harry for his lack of moral fortitude and grabs Destruction himself. Then he flies into the air and escapes with the criminal. The heroes track him down, only to discover that Evulz is now subjecting Destruction to a FateWorseThanDeath, as mundane execution is too good for him. Then said fate turns out to really be TrainingFromHell to make Destruction even ''more'' powerful and evil...
* '''Averted''':
** The heroes either ShootTheDog themselves or let a dangerous villain escape justice.
** Emperor Evulz refuses to kill Master Destruction for the heroes, either because he isn't really a killer or because he doesn't like cooperating with the heroes anymore than he has to.
** The heroes TakeAThirdOption and depower Master Destruction instead of choosing between killing or releasing him to do evil again.
* '''Enforced''': Cold-blooded execution would make the heroes seem less sympathetic, so it falls to Evulz to permanently tie up Master Destruction's story.
* '''Lampshaded''': "Oh, come now. Don't act so self-righteous. If I hadn't come along, you'd have had to do it yourself!"
* '''Invoked''': The heroes take care to drive Master Destruction onto Evulz's stomping grounds before subduing him, and go out of their way to delay his extraction to maximize the chances of Evulz stumbling across them.
* '''Exploited''': "Wait, guys, are we just going to leave Master Destruction there unconscious? We didn't even tie him up!" "Don't worry about it, Evulz will probably show up and finish him off. We have more important things to do that babysit prisoners."
* '''Defied''': As soon as Evulz shows up, Paladin Paul threatens to charge him with murder if he harms the prisoner.
* '''Discussed''': "Looks like only the ''bad'' guy can solve this problem. Super Troper doesn't have the stomach for that sort of thing.
* '''Conversed''': "Super Troper! If you aren't going to kill Destruction, then I, Dr. Evulz will!"
* '''Implied''': The end of the episode/movie shows Master Destruction waking up to see Emperor Evulz standing over him. The scene cuts to black, and [[WhatHappenedToTheMouse Master Destruction is never seen again]].
* '''Deconstructed''':
** The fact that the heroes needed to rely on a villain to bail them out of a problem puts their convictions and abilities into question. The question on whether or not they'll need to become NecessarilyEvil also comes in.
** While Emperor Evulz does take care of Master Destruction he is quite indiscriminate and unnecessarily violent about it, killing the innocent staff of the dinner he was eating in at the time to leave no witnesses. This highlights why relying on this trope is not a good thing.
* '''Reconstructed''': After receiving a BreakingSpeech from said villain savior about being morally cowardly and ineffective, the heroes realize that now and then they will have to {{Shoot the Dog}}--but only if all other options fail first.
* '''Played For Laughs''': As the heroes surround the defeated Master Destruction, Evulz can be seen jumping around behind them begging to be allowed to kill Destruction.
--> '''Evulz''': Please please please can I kill him? Pretty please?
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And just when you think the Big Bad has won, your old nemesis appears and takes you back to BadGuysDoTheDirtyWork!
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%% Optional items, added after Conversed, at your discretion:
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%%* '''Plotted A Good Waste''': ???
%%* '''Played For Drama''': ???