Even years after its release, the demand remains sky-high because it contains some of the most high-value hits from the Sword & Shield era, and is an absolute gold mine for anyone who loves Rayquaza or Umbreon
Now, Ive done a little research on this over the years and I also saw this rumour either on the old E4 or possibly from a PSA article
The Bench is where your other Pokmon stay until your active Pokmon gets knocked out or you swap places yourself
Chandra Ablaze Chandra Nalaar Chandra, Acolyte of Flame Chandra, Awakened Inferno Chandra, Bold Pyromancer Chandra, Dressed to Kill Chandra, Fire Artisan Chandra, Flame's Catalyst Chandra, Flame's Fury Chandra, Flamecaller Chandra, Flameshaper Chandra, Heart of Fire Chandra, Hope's Beacon Chandra, Legacy of Fire Chandra, Novice Pyromancer Chandra, Pyrogenius Chandra, Pyromaster Chandra, Roaring Flame Chandra, Spark Hunter Chandra, Torch of Defiance Chandra, the Firebrand
Each Level will require more XP, thus Leveling Up becomes more difficult later on in the game