Quick Slash

Quick Slash is a Charm in Hollow Knight. It allows for more rapid Nail strikes.

Usefulness
Quick Slash can increase total damage output while slashing with the Nail. This Charm is more effective than Fragile Strength/ Unbreakable Strength in most situations, as it not only increases the rate at which the Nail deals damage but also how quickly it accumulates SOUL.

How to Acquire
Located in Kingdom's Edge, on a massive anvil in a hidden room in front of a massive corpse known as an "Ancient Nailsmith".

Finding it requires travelling to the very east end of Kingdom's Edge past Oro's hut and locating a breakable floor next to his training dummy. After traversing down a few levels, and looping up the west end of the section, there is a small tunnel located within a wall leading to the Charm.

Trivia

 * When using the Dream Nail on the Ancient Nailsmith it yields the line " ...Pure... ".
 * This is the same Dream Nail dialogue of the corpse of the Nailsmith found in the Junk Pit.