https://liquipedia.net/dota2/Random_Number_Generation
Every one of your losses is controlled by RNG mechanics and spread across the map so thin you will never see all of it, analyse a replay and realise the slot machine the game is
People are playing and pushing this slot gachakuso for billions and fighting games get 0 love.
https://www.youtube.com/watch?v=0obMRztklqU

Edit: 7.33
Just look up League guides