Details of the Eilite Four plus Champion:
First Elite Four member; Shikimi. She has Level 48 Desukan, Lv. 48 Burunkeru, Lv. 48 Goruggo and Lv. 50 Shandeera. She is a Ghost trainer
Second Elite Four member; Giima. He has a Lv. 48 Zuruzukin, Lv. 48 Warubiaru, Lv. 48 Leparudusu & Lv. 50 Kirikizan. He is a Dark trainer
Third Elite Four member; Katorena. She has a Lv. 48 Rankurusu, Lv. 48 Musharna, Lv. 48 Shinbora and Lv. 50 Gochiruzeru. She is a Psychic trainer
Final Elite Four member; Renbu. He has a Lv. 48 Nageki, Lv. 48 Dageki, Lv. 48 Roopushin & Lv. 50 Kojondo. He is a Fighting trainer
If we're reading this right, Belle is the champion. She has Lv. 66 Murando, Lv. 66 Yanakki, Lv. 66 Musharna & Lv. 70 Enbouu. Her Pokémon will obviously vary depending on your starter Pokémon.
After this 2 new trainers become available
New character at the end; Zekrom Lv. 52, Gigigear Lv. 50, Zoroark Lv. 50, Abagoora Lv. 50, Aakeosu Lv. 50 & Baibanira Lv. 50. Awaiting confirmation on this
Another one at the end; Desukan, Baffuron, Shibirudon, Kirikizan, Gamageroge, all at Lv. 52& Sazandora at Lv. 54
After the Elite Four, you have to find seven sages throughout Isshu.
Sinnoh Champion Cynthia is battleable in this game after beating the Elitte Four. She has Spiritomb, Milotic, Lucario, Wargle and Shiburodon (all level 75) and Garchomp at Lv. 77. After you defeat the Elite Four, old Pokémon such as Pidgey, Shinx, Wurmple, Rhyhorn, Gastly and Starly appear in White Forest.
You get Reshiram/Zekrom at Level 50.
Elite Four Rematch details
First Elite Four member; Shikimi. She has Desukan, Burunkeru, Gorugu, Froslass (All at Level 71) and Shandera at Level 73
Second Elite Four member; Giima. He has Sharpedo, Warubiaru, Zuruzukin, Drapion, Lepardasu (All at Level 71) and Kirikizan at Level 73
Third Elite Four member; Katorena. She has Musharna, Rankurusu, Shinbora, Bronzong, Gochiruzeru (At Level 71) and Metagross at Level 73
Final Elite Four member; Renbu. He has a Breloom, Kojondo, Dageki, Nageki, Toxicroak (At Level 71) and Roobushin at Level 73
New Champion; Aketu. He has Agiruda, Baffuron, Kurimugan, Baibanira, Shubarugo (At Level 75), and Urugamosu at Level 77
