Bad squids get put in the ̸̢̨̛͔̮̫͚̙̳͙͖̳̜̟̠̗͍͖͖̬͙͙͇͔̥̫̱̠̯͖̫̣͙̼͙̼͔̺̭̖̗̤̳͕͉̮̹͍͇̝͍̗̹̣̼͙͗̔̀̒̽̈̀̽͐̄̾̾̌̐́̒̐͆́̆̽́̀̐̀̀͐͋̈́͆̐͌̿̇́͐̉̐͌́̅͑̈́͑̽́͛͋̾̋̉̈́̇̍̌̆̐̍̂̈́̑̀͛́̀̚̕̕͘͘͜͠͠͠͝͝͝͝Ṣ̶̛̭̿̌Q̸̢̛̰͉̤̞̪̣̻̜̬͎̻̼̞̰̲̣͉̟̯̺̗̬̭̾͒̆̇̆̄̽̈̂̔̈́͆̊̔̑̂͛̓͆̓̏̔͊͑͊͆̽͑͗͋̿̅͋́̓̿̐̊͐̓́̂͑̊͊̈́͌̾̅͌̈́͘̚̕͝͝ͅU̷̧̧̨̧̡̨̡̨̬̭͚̥̳̼͉͔̞͉̜͉̻̪̱̥̝̦͖̞̮̩̯̤̙̰̭͈̤̫̩̞̮̗͎͇̦̖̥̬͇̰͓̫̥̭͔̼̘͍̺̬̲͚̤͓̯̙̻̙̗͍̯͌̀̐͜͜͜ͅͅͅĮ̷̛̛̝͓̯̲̻̖͇̫̬̰̰̦͕͉̺͙̓̂́̓̍̌̉̊̌̏͒̑̈̒̈́̌̿͒̀̆̏͛̀͋̓̾̔͊̈́͊͊͒̿̈͂͌̒̈́͌̓̒͋̀̽͒̑̽̐͋͆͂̋̉̆̓̎̓͑̈́̒̇͒̕̚̚͝͝͠D̴̡̡̧̡̨̫͎̞̼͉͉͕̞̪͇͙̮̥͕͕͚͍͚͖̝̣̬̯̥͚̭͍̫̲̦͙͕̝̗̤̲̣̱͖̭̻̟̠̝͈̯̪̯̭̟̀̂͐̄̃͊́͋͒̇͒̒̿̍̊͌͗̽́̋́̀̈́̆̌̓̿́̆̂́̀̈́̇̀̎̋̄̄̿̀̓͛̇̈̂̓̔̍̈́̌̃̂͛̚͘͜͝͝͝͝͠ ̷̨̯̖͚̫̜̗̰̬̞͇̻̬̩͉̯̻͈̳̥̜̀̓̃́̏̃̄͒̔̐͒͂̈́̋͊͛͂͗̈́̀͐̀́͛̄̊̊͋͒̑͆̄̀̒̐̌̀̌̃̑̄̉͆̀̆̀̓́́̔̓͘̚̚͝͝M̶̢̨̧̢̨̢̢̦̟̤̖͇͈̣̱̦̞̰̝̳̠͓͚͚̮̲͉̝̺͇̰̱̼̖̮͕̬͍͕̩̻̲̟̹̜̩͉͈̺̦̬̞̃̇͋͘͜͜͝Ä̸̧̧̛̛̛̛̛̳͖̥̙͓̪̖̬́̾̃͗͊̃̇̆̈́͒́͑̅̌̌̓͛̀̂̓̂̄̓̑͒̆̓̀́͗̊̋̉͂̐̓̊̉̈́̄́̀̈̌̈́͊̐͐̈͛̽͒́̊̍͛̔̓̓̐́̈́̍̉̾̅̋̌̂͛̂̆̽͒̈̇͋̚͘͘̚͠͝͝͠͝͝͝S̶͍̭̺̯̙̮̪̫̻̦̪̗̞͈̩̼̹̫̘̤̘̈́̒̓̏̋̐͛͛̿̽͋͌͊̓̈̈͌̂͆̎̇̈̽̓͌̐̇̅̄͋͒͊͋̒̈́̇͐͑͊̄̊̔̈̾͋̾̐̎́̕̚̚͝͝͝͝͝Ĥ̷̨̢̡̡̨̢̬̭͓̪̼̝̖̬̺̭͉̼̼͖͖̘̰̝̹͈͙̣̙̬̝̗̘̹̣̬̘͇̯̟̤͖͇̗̼̳͇̟͎̣̻̟͎̹̹̻͉͙͇͓̳͚͎͖͑͌̐͐̏̐̃͊̄͆̒̄̚ͅE̴̺̺͎̭͔̜̹̠̺̳̭̘̭̿̀͛͐̾̃̈́̊̐͂́̏̾̎̀̓̀̄̀͛́̒͐͌͆͐̉̀̄̅́͘͘͘͘͝͠R̸̡̧̡̨̧̧̛̛͍̲̠̳̲̹̦͍̩̻̙͎̣̭͉͙̙͖̫͔̺̟͖̝̗̱̟̲̻̟̘̭̝̠̼̹̙̪̺̮̣̖̬̭̭̟̫̱͙̻̖͔͎̱͚̣̰̟̳̲̮̭̖͙̪͉̩̣͇͚͙̀́̀̾̇̐̋͛̀̀̓̀͗͆̀͛̊͛̀̂͒̈̈́̈́̽́͌̀͗͋̔̉̋̍͂̿̚͘̚͘͠͝͠ͅͅ
Maybe a script could rename the .qbtheme files and restart qbittorrent to get it to recognize the renamed file as the default. Then you could run the script on a schedule to get the effect you want.
Looks like something out of a Rusty Lake game