It takes time, but this method is guaranteed to work and you can get any max raid hidden ability Pokemon in as little as a couple minutes!
Credit to Austin John: https://www.youtube.com/watch?v=KdPRbS-HwSc&t=331s
1) You can reset for "rare" dens.
2) You can advance the date to change encouter
3) Ability is determined when den is CREATED
4) Trace, Role Play etc. will work and is the best way to determine is you have an HA Pokemon.
If you just read this and didn't watch, please drop a like. I know why no one does this (watching is better for the $$$ lol), but let's be honest, you just wanted to info NEW Method! How to Get Any Hidden Ability Pokemon in Sword and Shield. How to get EASY HIDDEN ABILITY Pokemon in Sword/Shield. How To Get Hidden Ability GALAR Starters in Pokemon Sword and Shield!. How to get Pokémon with their Hidden Abilities in Sword and Shield. How to Get Hidden Ability Scorbunny, Sobble, Grookey in Pokémon Sword/Shield — It's Super Effective. HOW TO GET HIDDEN ABILITY POKEMON in Pokemon SWORD and SHIELD!!! - New Method for Gen 8 HA Pokemon!! - YouTube. NEW Method! How to Get Any Hidden Ability Pokemon in Sword and Shield - YouTube. Pokémon HOME: How to get Hidden Ability Scorbunny, Grookey, and Sobble. How to get EASY HIDDEN ABILITY Pokemon in Sword/Shield - YouTube. Here's how to get free hidden ability Galar starters with Pokemon Home – Destructoid.