Hardest Battles in Pokemon Brilliant Diamond and Shining Pearl During the Main Game

Pokemon Brilliant Diamond and Shining Pearl probably gets my vote for the hardest Pokemon games ever made. It's still not that hard, since this is a Pokemon game we are talking about, but still. Because of that, I think it would be interesting to see what are the hardest Pokemon battles in this game. In this list, only the battles of the main game will count. If you can do this battle before fighting Cynthia for the first time, it can be on this list. If post games battles were included, all the gym leaders, and Elite Four rematches would be on this list.
The Top Ten
1 Cynthia

I mean, come on! It's Cynthia! Even if you don't think Cynthia is that hard, can you really disagree that she is the hardest trainer to defeat in Sinnoh? And honestly, her team is stronger than in the original games. Let's see everything that makes her team so strong. So we have a Spiritomb that is only weak to fairy (a type I didn't even have on my team!), and tanks hits very well. A Roserade with great coverage moves and hits really hard. A bulky Gastrodon that is only weak to grass (another type I don't have!) and is immune to water with Storm Drain, on top of having moves like Scald and Sludge Bomb to counter those grass types. A Lucario that can sweep your team with Nasty Plot and its high special attack. A Milotic with exceptionally high special defense and a physical defense boosted by Marvel Scale and a Flame Orb, along with the ability to recover, hit grass types with Ice Beam, having a chance to burn your Pokemon with Scald, and being able to hit your special moves back with ...more

2 Lucian

Lucian was meant to be the strongest Elite Four member, and my goodness, he really is! I had a lot of trouble battling against him! Half of my team was knocked out, and two of my Pokémon were left with just a little bit of health. Keep in mind, this fight is likely much easier with items, but I wanted to challenge myself and didn't use any. Boy, did it deliver! I love Lucian's strategy and how effective it is. Firstly, I appreciate that he has a Mr. Mime with a Light Clay that can set up both Light Screen and Reflect. This makes it tough to hit him hard on either the special or physical side. Then there's Medicham. This Pokémon caused me the most trouble! With Pure Power, a Muscle Band, and moves like High Jump Kick, it hits like a truck! It's likely that this mon is behind Mr. Mime's screens, making it even harder to knock out. And just in case one hard-hitting Pokémon wasn't enough, Lucian has a fast and hard-hitting Alakazam with Nasty Plot. And now, let's say you finally ...more

3 Bertha

Bertha was the first trainer to KO more than one of my Pokemons during my playthrough of Pokemon Brilliant Diamond. And I had the god that is Gastrodon on my team! She has so many strong mons on her team that you shouldn't mess with her! She has a Quagsire with water absorb, just to make your water type less comfortable, and it even can play defensively with Toxic and Recover, a Sudowoodo that can hit exceptionally hard with Head Smash, all the while having no recoil thanks to Rock Head, a Golem that can set up a free Rock Polish thanks to sturdy, a Whiscash with a Rindo Berry and Ice Beam to deal with the grass types it would normally be weak against, and an extremely bulky Hippodown, that can hit you hard with Earthquake, and heal itself with Rest, before instantly waking up with a chesto berry (also it has ice fang). Bertha is just simple, no nonsense use of ground types (and Sudowoodo) to its fullest.

4 Flint

Flint is probably the hardest fire type trainer in the franchise, and it's less because of the fact he barely has any fire types, but more because of how well he uses his pokemons. His Lopunny is kind of underwhelming, and you probably have at least one pokemon to hit Steelix on the special side to kill it rather quickly, but his other mons can be quite strong. He has a Drifblim, which while can't do anything if it's his last mon since his only damaging move is will-o-wisp, the fact he can cripple your team with will-o-wisp, use minimize, and baton pass the evasion moves to other pokemons can be quite scary. Not to mention Baton Pass is good for pivoting. Rapidash is just a really fast mon, that can hit hard, and put you to sleep with hypnosis. And then there is his Infernape. It's really fast, hits hard, has thunder punch for coverage against water types, has STAB close combat AND mach punch, and it has a Focus Sash, just so that you will need to beat it in two hits! Most fire type ...more

5 Aaron

Even though Aaron is the weakest member of the Elite Four, this just shows how strong the Elite Four is, because Aaron isn't a pushover at all. Dustox, Beautifly, and Vespiquen are easily the weakest members of the team, but even then, you should beware of Dustox's Light Screen, and Beautifly's quiver dance, just to say, and on the long term, those pokemon can make you weaker when you'll get to Aaron's other pokemons. In fact, if like me, and many others you have a Staraptor, or at least some kind of other flying type, like Crobat, you should probably save it for Heracross, because that bug hits hard, has rock slide for coverage against flying types, and it hits even harder than usual, since that Heracross is holding a flame orb, and has the ability guts, meaning it can burn itself to hit harder, and make it immune to other status. And in case you rely too much on flying, rock or fire types during this fight, Aaron has a Drapion who is only weak to ground, and it has scope lens, to ...more

6 Maylene

Maylene is in my opinion the hardest gym leader of Sinnoh, and the strongest trainer outside the League. So first, her Meditite not only can hit hard thanks to bulk up and the ability Pure Power, but if you relied on special psychic type moves for example to take her down, it has a light clay and the move light screen to reduce the power of special moves for a while! Her Machoke is also super scary! It has a super big and varied movepool, that consists of bulldoze, knock off to beat psychic, low sweep for a big STAB, and Rock Tomb for flying types, and on top of this movepool, it has an expert belt that highers the damage of super effective hits! And finally, we have her Lucario. A Lucario in this team when she is only the third gym leader is quite strong, and it has bulk up to potentially sweep your team. Maylene is overall not a pushover if you ask to me!

7 Fantina

Fantina is definitely not a gym leader to get too comfortable with. First, despite being the 5th gym leaders, it can be hard to find a Pokemon that is particularly strong against her. Your best bet is probably a dark type, since it resists and is super effective against dark, and at this point there aren't that many option. You have pretty much just Pokemons like Skuntank, Murkrow if you picked Brilliant Diamond, and Houndoom. I guess you can also overleveled your Skorupi to get a Drapion earlier, but as someone who did have a Skorupi on his team, I don't think it would be the best way to win, because grinding isn't fun, and would make the rest of the game too easy. Because of that, I had not Dark types against Fantina, and had to use other strategies. Fantina's team by itself is also quite strong. While I didn't have that much as an hard time with Drifblim as other people probably did, since Luxray somehow killed it in one hit with electric moves, but I am sure that with moves like ...more

8 Crasher Wake

Something brilliant about Crasher Wake's team is that if you relied on only one water killer on your team, you won't be able to win against his team that easily. If all you have to beat water types is a grass type, his Gyarados is there to give you a not so easy time, with a neutrality to grass, and ice fang. That thing also has flail, which can hurt a lot if you get Gyarados to low health! What if you have an electric type though? As someone who had Luxray as his water killer, I can very easily answer your question! He has a Quagsire immuned to your electric types attacks, with STAB mud shot. That thing also has a damp rock and rain dance, as well as scald, which is a deadly combo! Basically, the way Gyarados and Quagsire prevents you to have too much of a good time if you only have one water killer is quite good! However, if you are one of those people who have both Roserade (Torterra if it's your starter) and Luxray on your team or something like that, I guess you would have an ...more

9 Volkner

Volkner is the last gym leader of Sinnoh, and he is decently strong I think. I'm sure to some people, even if you used Ground Types, the best type against Electric, it wouldn't be a cake walk, because not only does he have some non-Electric types on his team, one of them being Octillery, who would be strong against most Ground types, but he also have coverage moves. His Raichu has Surf, and if you think Torterra and Garchomp can easily win this, I should learn you that Octillery has Aurora Beam, and that Luxray has Ice Fang. He doesn't have any Grass moves though so... yeah my Gastrodon wrecked Raichu and Luxray, and you would probably be able to do the same with Quagsire or something like that, but since there are quite a few people who underestimate the power of those water/ground type, and prefer to have Garchomp and Floatzel instead, not everyone will have as easy of a time as with me. I should also mention that Raichu has a Shuca Berry, to be able to live a ground type attack, ...more

10 Roark

Roark is a tricky one to talk about. If you get the right Pokemon to deal with him, it is rather easy. However, this early in the game, if you picked Chimchar, you might have a bad time, since the options for Pokemon that are good against him are quite limited. I picked Chimchar, and the only Pokemon that were a part of my main team were Starly, and Shinx. My Chimchar DID learn Power-Up Punch, but Geodude and Onix's defensive capabilities are so good, and rock type attacks does so much damage to Chimchar, that you probably won't be able to get to his Cranidos before his two other Pokemon knocks you out. Speaking of Cranidos, even if you have a type advantage over Roark, you still have to be extremely careful against Cranidos, since that Pokemon has a super high attack stat for this point in the game, and can even use Bulldoze to slow you down. Plus, a Geodude with Rollout can be scary if you can't take down this Pokemon quick. However, with Piplup and Turtwig as your starter it ...more

The Contenders
11 Gardenia
12 Byron
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