* CargoShip: Mystique Sonia and Yaksha, [[spoiler: especially since someone has to tell her that they love her three times in a row to become a Yaksha in the first place.]]
* CompleteMonster: [[BigBad Twin Masters]] is a [[EldritchAbomination malevolent entity]] who wishes to plunge the Hidden Kingdom into everlasting chaos. [[WasOnceAMan Originally a prince]] with aspirations of conquest, Twin Masters had since become a master of chaos energy, altering their plans to [[DystopiaJustifiesTheMeans decimate the Hidden Kingdom]] and lord over the remains as a despot. Several of Twin Masters's plans are designed to cause massive damage, including forcing Oyster-Rahmas into draining the oceans; trying to revert all life to its prehistoric state; changing the course of an asteroid to crash into Hidden Kingdom; creating a chaotic storm with Mighty Ray's eyes; and, in the finale, absorbing all life energy into themselves as well as condemning their former minions to die alongside Hidden Kingdom. Forming a deep hatred for First Squad--Lin Chung in particular--Twin Masters corrupts Commander [=ApeTrully=] with their chaos energy and forces him to attack First Squad against his will. Drunk on their love for carnage and destruction, Twin Masters [[KnightOfCerebus darkened the setting]] of an otherwise lighthearted show with their presence.
* ImprovedSecondAttempt: In season 1, High Roller turns First Squad into Animals with the help from demons, but aside from a partial transformation, they were quickly turned back to normal before they could do anything much to the disappointment of viewers. In the season 2 episode "Animals Inside" though, First Squad actually ''does'' get turned into animals as part of the plot (but without High Roller being involved in their transformation) and get to fight in their new forms.
* JerkassWoobie: Second Squad, especially Alpha Girl during "Turtle Cannon Competition II" [[spoiler: She is forced to painfully take one for the team, and her team loses BECAUSE of it]].
* NightmareFuel: Despite it's zaniness. it isn't afraid to give you a few good scares, you can see them [[NightmareFuel/Hero108 here]].
* SoOkayItsAverage: The series is widely seen as nothing special, from its generic and amateur animation, to its nonsensical world building and storytelling, and its characters that range from [[VanillaProtagonist uninteresting]] to [[DesignatedHero unsavory]] to [[TheScrappy insufferable]].

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