These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Power Rangers Mystic Force
Base Breaker: Nick. Either an OK Red who has issues with confronting problems (Namely, fans criticize that Nick runs away from all of his problems and frequently gives up), or one of the largest Canon Sue characters ever made by Power Rangers.
The final episode takes steps to remove him of this status though, by having him give up instead of trying to fight The Master. Although it quickly steps away of removing him from this when the other rangers say he's their only hope and has "always been the one to hold them together", despite alot of evidence to the contrary.
Crossover Ship: While not a romantic one, Chip and Dustin from Ninja Storm are commonly best friends in fandom due to being the nerd of their teams and for being the only male yellow Rangers (Which is commonly lampshaded during fanfics).
Proof: When Operation Overdrive had a multi-season team-up episode instead of a full two-team crossover, Xander was the one brought in from Mystic Force. He's so much this that they had another Green Ranger get a promotion to Red Ranger.
Chip, while less popular, still has a notable fanbase, primarily due to being one of two yellow Western Rangers who's a guy alongside Dustin (Super Sentai had plenty of yellow males before, but Saban commonly changed them to women when adapting seasons).
Fridge Brilliance: The final scenes of the season show the humans of Briarwood accepting the magical creatures that inhabit the forest. This could potentially have helped sow the seeds for SPD, wherein humans and aliens live (mostly) together in harmony.
Fridge Logic: In the "Dark Wish" three-parter, Imperious captures Jenji and wishes that the Mystic Force rangers never got their powers. The result is that history is rewritten: the villans, led by Imperious, conquered the world on the day that the rangers were supposed to get their powers (four months ago), and nobody remembers the pre-wish world besides the five rangers, Jenji, and most of the villans including Imperious. However... logically speaking, if the rangers never got their powers, wouldn't Imperious and Jenji still be trapped in the cave that only the rangers could open? Additionally, Morticon is absent from the post-wish world. Shouldn't he be alive if there were no rangers to kill him?
Furthermore, as mentioned in History of Power Rangers, what of the other Rangers that existed before this point? If they were defeated, does this mean ONLY the Mystic Force rangers could have done something about it?
Well, a lot of them, no. The Power coins were destroyed, the Dino Thunder Gems don't work, the Ninja Morpher powers were sealed into the abyss, SPD is in the future, as are the members of Time Force, the Turbo Powers are gone... But that still leaves the Lost Galaxy Rangers, the Lightspeed Rescue rangers, the Zeo Rangers, and a few others seen in "Forever Red."
Jason used the T-Rex coin in "Forever Red," implying that the other Dino Coins could be made to work again as well (it was actually the Ninja coins that were destroyed by Goldar). If we include those Rangers, then we have the Original team, Zeo, Space, Lost Galaxy, Lightspeed Rescue, Eric and Wes from Time Force (who could easily contact the others in the future for help), the Ninja Morphers were able to be brought back by Cam once for a short time (maybe he could do it again, and even if not, they still have their ninja powers), and the Dino Thunder Gems were repowered in SPD, which implies they could be made to work again, leaving the possibility of the Dino Thunder Rangers. That's a possible 8 teams of Rangers, along with allies such as the Alien Rangers of Aquitar, the people of KO-35, the Blue Centurian, the Masked Rider, and others who have appeared to assist over the years. It does boggle the mind that 5 kids with copies of The Standard Book Of Spells, Grade 1, would be able to triumph where all those seasoned warriors could not.