Here's where to get the double jump traversal ability in Act 2 of Hollow Knight: Silksong. You'll have to climb a mountain first.

Players can use Double Jump after passing the trial in Mount Fay, but it'll be one of the hardest tasks in Hollow Knight: Silksong.

How to unlock the Faydown Cloak, which lets you double jump and resist cold damage in Hollow Knight: Silksong.

Double jump is often the moment in a Metroidvania where a game becomes much more open; insurmountable tasks become possible thanks to an extra little hop mid-air, and exploration becomes that much ...