- Crossover Ship: The entire point of the AU.
- Die for Our Ship:
- Naturally, Adrien is often demonized in order to make Damian look like the better option.
- Generally averted with Luka; in various stories, either he and Marinette date for a bit before deciding they're Better as Friends or just stay friends to begin with, and he often becomes her closest Parisian companion.
- Draco in Leather Pants: As with many Miraculous Ladybug fanfics, Chloe is often redeemed and turned into one of Marinette's allies, despite never really getting a redemption in the original show.
- Fandom-Specific Plot: A number of the tropes found in the AU usually match up to tropes commonly found in Miraculous Ladybug Salt Fics.
- Older Than They Think: The Puzzler is actually very similar in concept and motives to Kwiz Kid, a one-shot villain from the comics based on the Teen Titans cartoon. The main difference is that Kwiz Kid's relation, if any, to the Riddler went unmentioned, while the Puzzler is explicitly the Riddler's son.
- Portmanteau Couple Name: The main pairing (Marinette/Damian) is usually referred to as Daminette or MariDami. There's also:
- Timette (Tim Drake/Marinette)
- Jasonette (Jason Todd/Marinette)
- Marijon (Jonathan Samuel Kent/Marinette)
- Jondrien (Jonathan/Adrien Agreste)
- Ron the Death Eater:
- Adrien's negative qualities in the AU are ramped Up to Eleven, with him being an Extreme Doormat who victim-blames Marinette for not going along with Lila in his civilian form and an Entitled Bastard towards Ladybug as Chat Noir. It largely depends on the writer, however; while some people like making him more sympathetic, others like to make him even worse.
- He's not the only one. Alya tends to be turned into a shameless gossip who either abuses Marinette's trust or dumps her outright for Lila to become Lila's Beta Bitch (often with a heaping dose of Never My Fault), Mme. Bustier also tends to get the "victim-blame Marinette for standing up to Lila" treatment with an extra dose of Adults Are Useless, and the rest of the class tends to turn into one-note Lila supporters (though some classmates can avert this, which again depends on the writer).
YMMV / Maribat AU