[You] will NEVER be remotely anywhere as cool, stylish, popular, talented, good-looking, or likable as Fern.
-Fern, Rhodocrine Jungle
Fern Sevilla is one of your rivals in Pokémon Reborn, along with Cain and Victoria. He is a Grass-type specialist, in the shadow of his more famous sister, Florinia. He is boastful and encourages you to quit.
Fern is confident to the point of arrogance, unwilling to admit any flaws or shortcomings. He is first encountered outside a factory in the Peridot Ward, where he's certain he's right about the meeting place and, after realizing he was wrong, is certain it wasn't his fault.
Shortly afterwards, he meets up with the player and Julia in front of the Mosswater Factory along with his sister. He attempts to be slightly more polite, but Julia's reaction to him makes it clear he can't keep the act up long, and he drops it right after entering.
After entering the factory, Florinia suggests that, to work towards both learning more about Team Meteor and working to stop the factory's pollution, the group split up, and the player is stuck with Fern, who often makes snarky comments on the way through. (He does heal your Pokémon, though, so that's something)
Fern later reappears in the Onyx Ward, determined to stop the player from challenging his sister, declaring them "not worthy". He blocks the entrance to the Onyx Trainer's School and orders students to attempt to keep the player out, to defend their pride. Many students remark that they're worried about what Fern will do to them when he finds out they have failed.
Fern continues his large-scale bullying by blocking the entrance to Florinia personally, claiming he is stopping the player from embarrassing themselves by even attempting to battle Florinia. "It's simple, really: You're a loser." After yet another defeat, he decides to take on the Reborn league, to attempt to show the player up.
Pokémon
First battle
Fern is battled in a Single Battle format and he has two Potions.
"You think you can get away with that?" -When sending out last Pokemon in the Peridot Ward
"Hah! Way to get lucky." -After defeat in the Peridot Ward.
"You don't actually think you're special, do you?" -When sending out last Pokemon in Onyx Trainer's School.
"This isn't over." -After defeat in Onyx Trainer's School.
"You're really starting to grate on my nerves, and don't wanna do that." -When sending out last Pokemon in the Grand Hall.
"...Noob." -After defeat in the Grand Hall.
"" -When sending out last Pokemon in the Wasteland Hideout.
"" -After defeat in the Wasteland Hideout.
"" -When sending out last Pokemon in Route 1.
"" -After defeat in Route 1.
"" -When sending out last Pokemon in Fiore Mansion.
"" -After defeat in Fiore Mansion.
Peridot Ward battle speech
Pre-battle speech
[Fern]: Uh, where are they?
[Fern]: They said to meet at the old factory.
[Fern]: Maybe they meant the other factory. They should've specified.
[Fern]: Hm?
[Fern]: Hey, what are you looking at?
[Fern]: Got a problem?
[Fern]: I hope not. You don't know who you're messing with.
[Fern]: Name's Fern. I'm the cool cat, and the top dog. Got it?
[Fern]: Cuz I don't think you do.
[Fern]: Get ready for a lesson in class!
Post-battle speech
[Fern]: Whatever, man. Don't have time for this.
[Fern]: Unlike you, I have places to be, and people waiting for me.
[Fern]: So what if you're doing the Gym League challenge?
[Fern]: You don't even have a badge yet? Talk about lame.
[Fern]: Maybe you should go work on that.
[Fern]: I, however, am required elsewhere.
[Fern]: Later, loser!
Onyx Trainer's School battle speech
Pre-battle speech
[Fern]: Sign. Those dumb kids can'y do anything right, can they?
[Fern]: Look, <player>, really, don't take it personally, you're just a loser.
[Fern]: Plain and simple. So really, by not letting you embarrass yourself in our gym, I'm doing YOU a favor.
[Fern]: And you won't even thank me! But it's fine. I got ya.
[Fern]: Now, just turn around, go home, and give up.
[Fern]: ...Yeah, I didn't really think you'd be smart enough to listen to me. Fine, have it your way, man.
Post-battle speech
[Fern]: ...
[Fern]: You're infuriating, really.
[Fern]: You think you're SO cool, just because you're doing the whole Gym League thing, huh?
[Fern]: ...No, you know what...
[Fern]: Two can play at that game, <player>.
[Fern]: If a second rate trainer like you can do it, then I won't have any problem sweeping the Reborn League.
[Fern]: I should thank you, <player>...
[Fern]: But I'm not going to. I've got things to do.
[Fern]: Later, loser!
Grand Hall battle speech
Pre-battle speech
[Fern]: Well look, if it isn't <player>, looking like a lost puppy as usual!
[Fern]: I was just telling Ame here about your little accident with the Beryl Gym Leader.
[Ame]: It's really unfortunate... I was worried about him for this exact reason...
[Fern]: Yeah, yeah, whatever. Look, tell Aya to be ready by the time I get there, okay?
[Ame]: Yeah. I'll call her now.
[Ame]: Oh, and hi <player>! Bye, <player>!
{Ame exits area}
[Fern]: You look confused. Well, more confused than normal.
[Fern]: See, every gym in the Reborn League needs a back-up, right? Like I'm the bacl-up for the Flobot. When she retires, I'll take over.
[Fern]: Well the same thing to true for the Poison guy He retired, well, in a sense, yanno, so now we're letting the back-up, Aya, know she's up.
[Fern]: Turns out she's some chick who lives in the wasteland southeast of the city...
[Fern]: Heh, but you won't be able to get out that way unless you have the key. And guess what? I do!
[Fern]: I've already got three badges, and it's about to be four. Man, that Shelly girl was a push over. It was like she wasn't even trying.
[Fern]: I mean she seemed she was gonna keel over and cry at any second, but hey, I'll tale the badge.
[Fern]: Anyway, I'm off. Good luck finding the key to the wasteland!
[Fern]: ...What, you wanna know where I got it?
[Fern]: Why would I tell...
[Fern]: You know what, no, fine. Fight me, <player>. If you win, I'll tell you. But like that's going to happen!
Post-battle speech
[Fern]: Talk about cheap... Whatever, man.
[Fern]: You wanna know about the key? Fine, I don't care.
[Fern]: So the new Poison Gym Leader's a girl who lives out in the wasteland, yeah? Well I got the key from her brother.
[Fern]: He's a real fruity lookin' guy. Decked out in purple, fishnets, looks more like a girl. Totally freaky. He wouldn't stop singing, either...
[Fern]: ...What, you know him?
[Fern]: ...Hah. I should've expected... You WOULD.
[Fern]: So yeah, he said he was going up to the Beryl Cemetery for something or other. If you want a key, go ask him.
[Fern]: Later, loser!
Wasteland Hideout battle speech
Pre-battle speech
Post-battle speech
Route 1 battle speech
Pre-battle speech
Post-battle speech
Fiore Mansion battle speech
Pre-battle speech
Post-battle speech
Sprites
Trainer sprite
VS sprite
Overworld sprite
In the online league
Fern often quit halfway through a battle in the online league and did a rematch with a different team. Florina often did a league challenge and kept restarting just to annoy Fern.