After clearing that, the forest will return to normal and players will receive their reward, as well as access to the rest of the Lost Woods.

Source: https://gamerant.com/zelda-tears-kingdom-lost-woods-tricky-confusing-puzzle-deku/

But despite all the secrets and additions the Depths bring to Hyrule, the unique solution it creates for the Lost Woods puzzle is certainly one of the most notable moments involving the underground realm.

Source: https://screenrant.com/zelda-tears-kingdom-lost-woods-maze-solution-depths/