
Finally defeated Rodomus using the following team
Yanmega was holding lax incense, krokodile had quick claw
Yanmega first attacked malamar with bug buzz and then krokodile used earthquake. Reuniclus used psychic on yanmega which missed thanks to lax incense(I restarted the match a lot of times for her to miss yanmega).
Then Metagross was sent. Yanmega used detect protecting him from Metagross and Reuniclus attack and then krokodile used crunch on Reuniclus killing her.
Then Slowbro came. Yanmega used bug buzz and krokodile used crunch to kill him. Metagross attaked yanmega which missed.
Then came Gardevoir. My yanmega used bug buzz and krokodile used crunch on Metagross killing him. Metagross attacked krokodile before dying leaving him at 1 hp and Gardevoir killed krokodile.
Then I sent talonflame and he sent gallade. Talonflame used steel wing on Gardevoir taking almost all hp and making her eat her berry, yanmega used bug buzz on gallade. Gardevoir killing talonflame and gallade attacked yanmega leaving him at 1 hp.
Then I sent magcargo. yanmega used detect and magcargo turn was used to revive talonflame. Gardevoir attacked yanmega and gallade attacked magcargo killing him.
Then I sent talonflame. Yanmega used bug buzz on gallade and talonflame used steel wings killing Gardevoir. Gallade attacked yanmega but missed.
In next turn talonflame used acrobatics killing him.
I restarted the battle countless times and only won in this battle due to luck. Also this gym was the hardest of all